{"id":34204,"date":"2019-08-19T09:25:38","date_gmt":"2019-08-19T08:25:38","guid":{"rendered":"https:\/\/groupe-reussite.fr\/?page_id=34204"},"modified":"2022-07-20T11:19:23","modified_gmt":"2022-07-20T10:19:23","slug":"cours-en-ligne-corriges-fonctions-variables-reelles-ecs1","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-corriges-fonctions-variables-reelles-ecs1\/","title":{"rendered":"Fonctions r\u00e9elles \u00e0 variables r\u00e9elles en ECG1 &#8211; Corrig\u00e9s"},"content":{"rendered":"<div class=\"Latex_page\">\n<section class=\"has_ae_slider elementor-element elementor-section-full_width elementor-reverse-mobile elementor-section-stretched elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default elementor-section elementor-top-section\">\n<div class=\"elementor-container elementor-column-gap-no\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column-wrap elementor-element-populated colone_elementor\">\n\t\t<div data-elementor-type=\"page\" data-elementor-id=\"88449\" class=\"elementor elementor-88449\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-30229867 elementor-section-content-bottom elementor-hidden-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"30229867\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6a356d88 sticky_badeau_colone strick_col elementor-hidden-mobile ae-bg-gallery-type-default\" data-id=\"6a356d88\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-7ccae7e7 elementor-hidden-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"7ccae7e7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6e77d559 strick_col ae-bg-gallery-type-default\" data-id=\"6e77d559\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-17b9742a elementor-widget elementor-widget-heading\" data-id=\"17b9742a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ecs1\/\">Cours en ligne Maths en ECG1<\/a><\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73a4684f elementor-widget elementor-widget-heading\" data-id=\"73a4684f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Chapitres Maths en ECG1<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ebcc4f9 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6ebcc4f9\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-strategies-calcul-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Strat\u00e9gie de Calcul<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ff87283 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"7ff87283\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-espace-probabilise-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Espace Probabilis\u00e9<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57d652c3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"57d652c3\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-raisonnement-ensembliste-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Raisonnement et Vocabulaire Ensembliste<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65809d15 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"65809d15\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-nombres-complexes-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Nombres Complexes<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55f287a9 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"55f287a9\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-polynomes-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Polyn\u00f4mes<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5de71e57 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5de71e57\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-suites-reelles-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Suites R\u00e9elles<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e13b47d elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"2e13b47d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-matrices-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Matrices<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b80cd71 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"b80cd71\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-espaces-vectoriels-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Espaces Vectoriels et Applications Lin\u00e9aires<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-515ac59b elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"515ac59b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-fonctions-variables-reelles-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Fonctions R\u00e9elles \u00e0 Variables R\u00e9elles<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37b7a48c elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"37b7a48c\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-probabilites-univers-fini-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Probabilit\u00e9s (univers infini)<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a165fbf elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"a165fbf\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-formules-taylor-developpements-limites-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Formules de Taylor et D\u00e9veloppements Limit\u00e9s<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-444d2f06 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"444d2f06\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-extrema-convexite-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Extrema et convexit\u00e9<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f57142c elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"f57142c\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-series-numeriques-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">S\u00e9ries Num\u00e9riques<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51fc1a2 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"51fc1a2\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-integration-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Int\u00e9gration<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b8561ca elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"b8561ca\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-variables-aleatoires-finies-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Variables Al\u00e9atoires Finies<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2a9e2f elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"c2a9e2f\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-variables-aleatoires-discretes-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Variables Al\u00e9atoires Discr\u00e8tes<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a7fab3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6a7fab3\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-variables-aleatoires-densite-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Variables Al\u00e9atoires \u00e0 Densit\u00e9<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b2a052 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"8b2a052\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-convergences-approximations-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Convergence et Approximations<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3275bf4d elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"3275bf4d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/nous-contacter\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">CONTACTEZ-NOUS<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-7b89084 elementor-hidden-desktop elementor-hidden-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"7b89084\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-78ae9e4 ae-bg-gallery-type-default\" data-id=\"78ae9e4\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2e97065 elementor-widget elementor-widget-heading\" data-id=\"2e97065\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ecs1\/\">Cours en ligne Maths en ECG1<\/a><\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eafadd7 elementor-widget elementor-widget-heading\" data-id=\"eafadd7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Chapitres Maths en ECG1<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8180968 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"8180968\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-strategies-calcul-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Strat\u00e9gie de Calcul<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38acf6a elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"38acf6a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-espace-probabilise-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Espace Probabilis\u00e9<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7ca681 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"b7ca681\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-raisonnement-ensembliste-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Raisonnement et Vocabulaire Ensembliste<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33a3c17 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"33a3c17\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-nombres-complexes-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Nombres Complexes<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ccd9c89 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"ccd9c89\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-polynomes-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Polyn\u00f4mes<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51de2d5 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"51de2d5\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-suites-reelles-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Suites R\u00e9elles<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef0680e elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"ef0680e\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-matrices-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Matrices<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5bb4a9c elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5bb4a9c\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-espaces-vectoriels-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Espaces Vectoriels et Applications Lin\u00e9aires<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4868e8 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"f4868e8\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-fonctions-variables-reelles-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Fonctions R\u00e9elles \u00e0 Variables R\u00e9elles<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87d53c5 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"87d53c5\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-probabilites-univers-fini-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Probabilit\u00e9s (univers infini)<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87744be elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"87744be\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-formules-taylor-developpements-limites-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Formules de Taylor et D\u00e9veloppements Limit\u00e9s<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41f4808 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"41f4808\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-extrema-convexite-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Extrema et convexit\u00e9<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77acc16 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"77acc16\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-series-numeriques-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">S\u00e9ries Num\u00e9riques<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-672728a elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"672728a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-integration-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Int\u00e9gration<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52a2f88 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"52a2f88\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-variables-aleatoires-finies-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Variables Al\u00e9atoires Finies<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c1102b elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6c1102b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-variables-aleatoires-discretes-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Variables Al\u00e9atoires Discr\u00e8tes<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd78ac0 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"cd78ac0\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-variables-aleatoires-densite-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Variables Al\u00e9atoires \u00e0 Densit\u00e9<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52d8afc elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"52d8afc\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-convergences-approximations-ecs1\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Convergence et Approximations<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b364a45 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"b364a45\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/nous-contacter\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">CONTACTEZ-NOUS<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-column-wrap elementor-element-populated colone_latex\">\n<div class=\"style_pag\" style=\"color: #000; font-family: 'Lato', Sans-serif;\">\n<div class=\"elementor-text-editor elementor-clearfix\">\n<h1 class=\"Latex_page_title\">Corrig\u00e9s : Fonctions r\u00e9elles \u00e0 variables r\u00e9elles en ECG1<\/h1>\n<\/div>\n<p class=\"colone_latex_ancres\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-fonctions-variables-reelles-ecs1\/\">R\u00e9sum\u00e9 de cours<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-fonctions-variables-reelles-ecs1\/\">Exercices<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-corriges-fonctions-variables-reelles-ecs1\/\">Corrig\u00e9s<\/a><\/p>\n<p class=\"colone_latex_ancres\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ecs1\/\">Cours en ligne de Maths en ECG1<\/a><\/p>\n<h2 style=\"text-align: justify;\">Corrig\u00e9s &#8211; Fonctions r\u00e9elles \u00e0 variables r\u00e9elles<\/h2>\n<h3 style=\"text-align: justify;\"><b>Exercice 1 :\u00a0<\/b><\/h3>\n<p style=\"text-align: justify;\"><strong>1)<\/strong> On a une forme ind\u00e9termin\u00e9e de la forme <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-588cab4370a114ca0bb6231a8b367e58_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#34;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#48;&#125;&#123;&#48;&#125;&#34;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"29\" style=\"vertical-align: -12px;\"\/>. La pr\u00e9sence de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-629c6377cfa39b0a8a46f0957eaeb6a7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#45;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"40\" style=\"vertical-align: 0px;\"\/> au d\u00e9nominateur nous fait penser \u00e0 un taux d&rsquo;accroissement. Posons <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3a189daa080ba4b0428cb935d334a736_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#120;&#32;&#43;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"111\" style=\"vertical-align: -12px;\"\/> ainsi :<\/p>\n<div style=\"text-align: justify;\">\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 56px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-800d53cd361662bacf95dd7f07b21688_l3.png\" height=\"56\" width=\"205\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#120;&#32;&#43;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#32;&#45;&#32;&#50;&#125;&#123;&#120;&#32;&#45;&#32;&#49;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#45;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#120;&#32;&#45;&#32;&#49;&#125;&#46;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<div>Comme <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9c09a708375fde2676da319bcdfe8b24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"10\" style=\"vertical-align: -4px;\"\/> est d\u00e9rivable en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a8271338d9cdfb96d236371b43965a95_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"12\" style=\"vertical-align: -4px;\"\/> on a <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-07fcd8cb7f047d1e7669b8782713c783_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#49;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#120;&#32;&#43;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#32;&#45;&#32;&#50;&#125;&#123;&#120;&#32;&#45;&#32;&#49;&#125;&#32;&#61;&#32;&#102;&#32;&#39;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"56\" width=\"238\" style=\"vertical-align: -13px;\"\/><\/div>\n<div><\/div>\n<\/div>\n<div style=\"text-align: justify;\">\n<p><strong>2)<\/strong> <span style=\"font-size: inherit;\">Il est classique que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1cbe5114a345cbbac7aecb9e9e0438a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#120;&#125;&#32;&#61;&#32;&#49;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"146\" style=\"vertical-align: -12px;\"\/> De m\\^eme <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-895fd6fcbc7743515c0ef3f82543419a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#32;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#51;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#51;&#120;&#125;&#32;&#61;&#49;&#32;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"155\" style=\"vertical-align: -12px;\"\/> Comme<\/span><\/p>\n<div><\/div>\n<div>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 42px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d94f9926a5e2e1b4124d91aad8bcd524_l3.png\" height=\"42\" width=\"235\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#51;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#51;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#120;&#125;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#51;&#120;&#125;&#123;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#51;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#44;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>on a<\/p><\/div>\n<div><\/div>\n<div>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 43px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-da3c1988e1cef35290dd52b1b3ec1858_l3.png\" height=\"43\" width=\"133\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#51;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#51;&#46;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/div>\n<div><\/div>\n<\/div>\n<div style=\"text-align: justify;\"><strong>3)<\/strong> <span style=\"font-size: inherit;\">On a une forme ind\u00e9termin\u00e9e de la forme \u00ab\u00a0<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a4598a8588fb4061ec01762376ced9f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#123;&#92;&#105;&#110;&#102;&#116;&#121;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"18\" style=\"vertical-align: -12px;\"\/>\u00ab\u00a0. On factorise au num\u00e9rateur par le terme le plus \u00ab\u00a0grand\u00a0\u00bb, i.e. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cf1473fb09599b7fbc179dd522f7549d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#94;&#50;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"22\" style=\"vertical-align: 0px;\"\/> On fait de m\u00eame au d\u00e9nominateur, cela donne :<\/span><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div>\n<p style=\"text-align: justify;\">\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 91px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7c0ceeab4915a8cdd5c0a58e169cffa6_l3.png\" height=\"91\" width=\"269\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#120;&#94;&#50;&#32;&#43;&#32;&#101;&#94;&#120;&#125;&#123;&#120;&#94;&#50;&#32;&#43;&#32;&#49;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#120;&#94;&#50;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#101;&#94;&#120;&#125;&#123;&#120;&#94;&#50;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#120;&#94;&#50;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#120;&#94;&#50;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#32;&#49;&#32;&#43;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#101;&#94;&#120;&#125;&#123;&#120;&#94;&#50;&#125;&#32;&#125;&#123;&#49;&#32;&#43;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#120;&#94;&#50;&#125;&#32;&#125;&#46;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/p>\n<div style=\"text-align: justify;\">Or <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0a822dc91cf5efffe79546acf6d8f6d8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#45;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#49;&#32;&#43;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#101;&#94;&#120;&#125;&#123;&#120;&#94;&#50;&#125;&#32;&#61;&#32;&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#45;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#49;&#32;&#43;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#120;&#94;&#50;&#125;&#32;&#61;&#49;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"313\" style=\"vertical-align: -12px;\"\/> d&rsquo;o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4a4719916a68fbd1cd0c2720c3c29206_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#45;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#120;&#94;&#50;&#32;&#43;&#32;&#101;&#94;&#120;&#125;&#123;&#120;&#94;&#50;&#32;&#43;&#32;&#49;&#125;&#32;&#61;&#32;&#49;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"171\" style=\"vertical-align: -14px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\"><strong>4)<\/strong> C&rsquo;est une forme ind\u00e9termin\u00e9e de la forme \u00ab\u00a0<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a4598a8588fb4061ec01762376ced9f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#123;&#92;&#105;&#110;&#102;&#116;&#121;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"18\" style=\"vertical-align: -12px;\"\/>\u00ab\u00a0. On reconna\u00eet une croissance compar\u00e9e de sorte que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6256cf241a4eb67fe431fdc64e08ba8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#43;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#101;&#94;&#120;&#125;&#123;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#125;&#32;&#61;&#32;&#43;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"163\" style=\"vertical-align: -16px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div>\n<p style=\"text-align: justify;\"><strong>5)<\/strong> <span style=\"font-size: inherit;\">On s&rsquo;int\u00e9resse d&rsquo;abord \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7b8c76e2e167c3f0e30be296cb2ca3da_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"105\" style=\"vertical-align: -4px;\"\/> En utilisant l&rsquo;expression conjugu\u00e9e de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-35b00e8ddbf16454848a1fd4866faef3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"102\" style=\"vertical-align: -4px;\"\/> qui est <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7ec2d2b6f0a4fc533a2dd2db45387db9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#43;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"105\" style=\"vertical-align: -4px;\"\/> on a :<\/span><\/p>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-35b00e8ddbf16454848a1fd4866faef3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"102\" style=\"vertical-align: -4px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b6053b3dee7a1adf821ff7ca68406cd0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#43;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#125;&#123;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#43;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"46\" width=\"261\" style=\"vertical-align: -18px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c094e037cc72aef8d513b4c46439511a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#43;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#125;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"129\" style=\"vertical-align: -18px;\"\/><br \/>\nComme <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8202328047b2ee9fdd8b0b19542db26e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#43;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#43;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#125;&#32;&#61;&#32;&#48;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"217\" style=\"vertical-align: -18px;\"\/> par continuit\u00e9 de la fonction <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-edfc5b3152b3601173d8887b121be69d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#101;&#120;&#112;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"27\" style=\"vertical-align: -3px;\"\/> en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cf4770355d567cab8db571d879e923cb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"13\" style=\"vertical-align: -4px;\"\/> on a<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 56px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9ecbebfa2d44a6bfdf2abe065755e65e_l3.png\" height=\"56\" width=\"201\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#43;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#101;&#94;&#123;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#43;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#125;&#32;&#125;&#32;&#61;&#32;&#49;&#44;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>et<\/p><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 32px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-781a2618c7937a57fb87fbfadf8f0bf4_l3.png\" height=\"32\" width=\"161\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#43;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#101;&#94;&#123;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#125;&#32;&#61;&#32;&#49;&#46;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div>\n<p style=\"text-align: justify;\"><strong>6)<\/strong> <span style=\"font-size: inherit;\">Il y a une puissance, on commence par mettre l&rsquo;expression sous forme exponentielle, pour <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-67c27898629be27b16c1746ffa34fe67_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#92;&#110;&#101;&#113;&#32;&#48;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"47\" style=\"vertical-align: -4px;\"\/> on a :<\/span><\/p>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e9aeb5e980718732f8f3744f78d6967f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#94;&#123;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#125;&#32;&#61;&#32;&#101;&#94;&#123;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#120;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"252\" style=\"vertical-align: -4px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-38ad7668d8d9db045e5ac5b00c23ef69_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#101;&#94;&#123;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#120;&#125;&#32;&#125;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"210\" style=\"vertical-align: 0px;\"\/><\/div>\n<div style=\"text-align: justify;\">Remarquons que le logarithme est bien d\u00e9fini si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"\/> est \u00ab\u00a0proche\u00a0\u00bb de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d077f1202cae43a1855e4e1bb5939948_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">Nous avons d\u00e9j\u00e0 vu que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5def00efa99899fe8888d6a93fabde17_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#120;&#32;&#125;&#32;&#61;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"141\" style=\"vertical-align: -12px;\"\/> (voir\u00a0<b>m\u00e9thode 2 sur les limites<\/b>).<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">Pour traiter <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ec31d22e0a0b77f06b981228f2e3621e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#32;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"117\" style=\"vertical-align: -16px;\"\/> on pose <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2325f6ad6f0682c48411d682bbbf3fc5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#32;&#61;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"89\" style=\"vertical-align: -4px;\"\/> Remarquons que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9d8a97a96ae2984e0bd62e304e96c6a5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#32;&#92;&#116;&#111;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"47\" style=\"vertical-align: -1px;\"\/> lorsque <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a4bfe6367ff4f4ba72fe0b4ca996dfa2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"51\" style=\"vertical-align: -1px;\"\/> Comme<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a2ee32499ffb0d1a7fd80fc430897b3e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#117;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#117;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#117;&#125;&#32;&#61;&#32;&#49;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"170\" style=\"vertical-align: -12px;\"\/>\u00a0 c&rsquo;est le taux d&rsquo;accroissement de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bb659ca66218c7224b122426cedc9da5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#32;&#92;&#109;&#97;&#112;&#115;&#116;&#111;&#32;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#117;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"109\" style=\"vertical-align: -4px;\"\/> en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cf4770355d567cab8db571d879e923cb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"13\" style=\"vertical-align: -4px;\"\/><br \/>\nainsi<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 42px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e719681b702ae3f5eb996ba1cd4e5ba5_l3.png\" height=\"42\" width=\"183\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#32;&#61;&#32;&#49;&#46;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>Alors, par produit, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-13a99eec940ea961e66b3135c67b6e75_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#120;&#32;&#125;&#32;&#61;&#32;&#49;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"282\" style=\"vertical-align: -16px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">En utilisant la continuit\u00e9 de la fonction <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-edfc5b3152b3601173d8887b121be69d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#101;&#120;&#112;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"27\" style=\"vertical-align: -3px;\"\/> en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a8271338d9cdfb96d236371b43965a95_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"12\" style=\"vertical-align: -4px;\"\/> il vient que :<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 52px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-72449ecc82cb86769d0c220f37b6c48f_l3.png\" height=\"52\" width=\"191\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#101;&#94;&#123;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#43;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#123;&#120;&#125;&#125;&#32;&#61;&#32;&#101;&#46;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div>\n<p style=\"text-align: justify;\"><strong>7)<\/strong> <span style=\"font-size: inherit;\">Pour <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f5da98d6fbe4a18efdf673816d53a14c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#62;&#32;&#48;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"47\" style=\"vertical-align: -4px;\"\/> on a\u00a0<\/span><\/p>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 36px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-dce0b266ac9be0fc54661255a19fed01_l3.png\" height=\"36\" width=\"242\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#101;&#94;&#120;&#32;&#45;&#32;&#49;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#101;&#94;&#120;&#32;&#45;&#32;&#49;&#125;&#123;&#120;&#125;&#32;&#120;&#32;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#46;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>Or <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-11f71f3d6cd48e6cbec6cf3d5c060bee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#101;&#94;&#120;&#32;&#45;&#32;&#49;&#125;&#123;&#120;&#32;&#125;&#32;&#61;&#32;&#49;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"145\" style=\"vertical-align: -12px;\"\/> c&rsquo;est le taux d&rsquo;accroissement de la fonction <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-edfc5b3152b3601173d8887b121be69d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#101;&#120;&#112;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"27\" style=\"vertical-align: -3px;\"\/> en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4e941e2b95bd8948671211146e329eae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#120;&#32;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"144\" style=\"vertical-align: -4px;\"\/> gr\u00e2ce \u00e0 une croissance compar\u00e9e. D&rsquo;o\u00f9<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 26px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-760a1e0ff550a96a92206be8f2347dc5_l3.png\" height=\"26\" width=\"173\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#101;&#94;&#120;&#32;&#45;&#32;&#49;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#108;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#48;&#46;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/div>\n<div><\/div>\n<div style=\"text-align: justify;\">\t\t<div data-elementor-type=\"section\" data-elementor-id=\"84983\" class=\"elementor elementor-84983\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-51d9c4d elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"51d9c4d\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-610eeeb9 ae-bg-gallery-type-default\" data-id=\"610eeeb9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5bf69eb8 elementor-widget elementor-widget-heading\" data-id=\"5bf69eb8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS DE MATHS<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49568da4 elementor-widget elementor-widget-heading\" data-id=\"49568da4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Les meilleurs professeurs particuliers<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1eb9e0cb elementor-widget elementor-widget-heading\" data-id=\"1eb9e0cb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Pour progresser et r\u00e9ussir<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15c3e28d elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"15c3e28d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/maths\/tous-niveaux\/france\/\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-md\" role=\"button\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers maths<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a5c10e7 elementor-widget elementor-widget-text-editor\" data-id=\"1a5c10e7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p style=\"text-align: left\"><b>Avis Google France <\/b><span style=\"color: #e5a430\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-6913d4fe ae-bg-gallery-type-default\" data-id=\"6913d4fe\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div>\n<div><\/div>\n<div>\n<div class=\"elementor-column-wrap elementor-element-populated colone_latex\" style=\"text-align: justify;\">\n<div class=\"style_pag\" style=\"color: #000; font-family: 'Lato', Sans-serif;\">\n<h3><b>Exercice 2 :\u00a0<\/b><\/h3>\n<p><strong>1)<\/strong> Montrons que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-025f87f3f48e1e4159cef56d4a8ad2b4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"191\" style=\"vertical-align: -4px;\"\/><\/p>\n<div>Pour voir cela, \u00e9crivons :<\/div>\n<div><\/div>\n<div>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 44px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c3b7e1f3bc4180af494b073284e77d3e_l3.png\" height=\"44\" width=\"141\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#108;&#101;&#102;&#116;&#32;&#124;&#32;&#120;&#94;&#50;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#32;&#124;&#32;&#92;&#108;&#101;&#32;&#120;&#94;&#50;&#46;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<\/div>\n<div><\/div>\n<div>Comme <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-958747828d6b7536d01c36a738489fa1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#120;&#94;&#50;&#32;&#61;&#32;&#48;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"111\" style=\"vertical-align: -4px;\"\/> on a bien <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-de893f1b50e02e11181297c751e3ae4e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"127\" style=\"vertical-align: -4px;\"\/>.<\/div>\n<div><\/div>\n<div>Ainsi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9c09a708375fde2676da319bcdfe8b24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"10\" style=\"vertical-align: -4px;\"\/> est continue en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/>.<\/div>\n<div><\/div>\n<div>\n<p><strong>2)<\/strong> <span style=\"font-size: inherit;\">On forme le taux d&rsquo;accroissement <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d4fe1180880a1d121d6b4b41efa3cc42_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#45;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#125;&#123;&#120;&#32;&#45;&#32;&#48;&#125;&#32;&#61;&#32;&#120;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"206\" style=\"vertical-align: -17px;\"\/> En proc\u00e9dant de la m\u00eame fa\u00e7on que ci-dessus, on montre <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-34c8caa14155b26c69e6958ca48c1bf3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#120;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"171\" style=\"vertical-align: -17px;\"\/>\u00a0<\/span><\/p>\n<div><\/div>\n<div>Ainsi, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9c09a708375fde2676da319bcdfe8b24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"10\" style=\"vertical-align: -4px;\"\/> est d\u00e9rivable en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e3a995c363a86a8a3dc8b0e217112dc4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#39;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"77\" style=\"vertical-align: -4px;\"\/><\/div>\n<div><\/div>\n<div>\n<p><strong>3)<\/strong> <span style=\"font-size: inherit;\">Un simple calcul donne, pour <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-67c27898629be27b16c1746ffa34fe67_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#92;&#110;&#101;&#113;&#32;&#48;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"47\" style=\"vertical-align: -4px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-690243407fe7924fb54f43be1c7e5b62_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#39;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#50;&#120;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#45;&#32;&#92;&#99;&#111;&#115;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"248\" style=\"vertical-align: -17px;\"\/> On a, comme avant, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6e895a2f218c5baee99257278be2c901_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#48;&#125;&#32;&#50;&#120;&#32;&#92;&#115;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"180\" style=\"vertical-align: -17px;\"\/> il suffit donc montrer que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5e27957c354ddd982bc80d55bd51b9a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#99;&#111;&#115;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"64\" style=\"vertical-align: -17px;\"\/> n&rsquo;admet pas de limite en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d077f1202cae43a1855e4e1bb5939948_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/>\u00a0<\/span><\/p>\n<div><\/div>\n<div>Pour le justifier, trouvons deux <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-suites-reelles-ecs1\/\">suites<\/a> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d970b9eae22b2141696aa5504c9fe624_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#117;&#95;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#95;&#123;&#110;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#78;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"59\" style=\"vertical-align: -6px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-95e255edc85e697ab2852b94ab581997_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#118;&#95;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#95;&#123;&#110;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#78;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"58\" style=\"vertical-align: -6px;\"\/> qui <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-convergences-approximations-ecs1\/\">convergent<\/a> vers <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> telles que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-dfbed2fa2ea6d4dc52b11eb27cdc543c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#110;&#32;&#92;&#116;&#111;&#32;&#43;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#92;&#99;&#111;&#115;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#117;&#95;&#110;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#110;&#101;&#113;&#32;&#92;&#108;&#105;&#109;&#95;&#123;&#110;&#32;&#92;&#116;&#111;&#32;&#43;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#92;&#99;&#111;&#115;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#118;&#95;&#110;&#32;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"331\" style=\"vertical-align: -17px;\"\/><\/div>\n<div><\/div>\n<div>On prend <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-35d5bd805a4214e2b23d10a09d7f64a6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#95;&#110;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#110;&#32;&#92;&#112;&#105;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"76\" style=\"vertical-align: -12px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d25ce007aae2f8439750f21ed8b7651f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#110;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#105;&#125;&#123;&#50;&#125;&#32;&#43;&#32;&#50;&#110;&#32;&#92;&#112;&#105;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"111\" style=\"vertical-align: -30px;\"\/> de sorte que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6eda55f70b18bfae6ca94405913b1d1d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#99;&#111;&#115;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#117;&#95;&#110;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"108\" style=\"vertical-align: -17px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-09ce20004a41c1435fa1e8f69c160d5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#99;&#111;&#115;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#118;&#95;&#110;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"111\" style=\"vertical-align: -17px;\"\/><\/div>\n<div><\/div>\n<div><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c51071e7f83688fd795a68f01f2d1b64_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#39;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"15\" style=\"vertical-align: -4px;\"\/> n&rsquo;est pas continue en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d077f1202cae43a1855e4e1bb5939948_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"elementor-column-wrap elementor-element-populated colone_latex\">\n<div class=\"style_pag\" style=\"color: #000; font-family: 'Lato', Sans-serif;\">\n<h3 style=\"text-align: justify;\"><b>Exercice 3 :\u00a0<\/b><\/h3>\n<p style=\"text-align: justify;\">Posons <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0d9ff07c2ffdc4c4acd6af35be127e6c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#103;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#45;&#32;&#120;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"133\" style=\"vertical-align: -4px;\"\/> On a <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3a73317eff447a3d641938c1b11bfb3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#103;&#101;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"69\" style=\"vertical-align: -4px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-797af8f51648b34cdf9670f9907a184a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#120;&#32;&#92;&#116;&#111;&#32;&#43;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#45;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"171\" style=\"vertical-align: -5px;\"\/> Comme <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9c09a708375fde2676da319bcdfe8b24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"10\" style=\"vertical-align: -4px;\"\/> est continue sur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-57208e8c848a5fffb79d0e65aee5490d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#091;&#32;&#48;&#32;&#44;&#32;&#43;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#091;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"57\" style=\"vertical-align: -5px;\"\/> comme diff\u00e9rence de deux fonctions continues sur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-57208e8c848a5fffb79d0e65aee5490d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#091;&#32;&#48;&#32;&#44;&#32;&#43;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#091;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"57\" style=\"vertical-align: -5px;\"\/>, le th\u00e9or\u00e8me des valeurs interm\u00e9diaires assure qu&rsquo;il existe <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-91506f55718198c29bfa6ea1a5b0cfe7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#95;&#48;&#32;&#92;&#103;&#101;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"50\" style=\"vertical-align: -3px;\"\/> tel que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4a08ff0d54d8625ca9c7213bcf04f33e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#95;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"78\" style=\"vertical-align: -4px;\"\/> soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-024fdff05265b8eb5f63738adf018883_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#103;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#95;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#120;&#95;&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"89\" style=\"vertical-align: -4px;\"\/><\/p>\n<div class=\"style_pag\" style=\"color: #000; font-family: 'Lato', Sans-serif;\">\n<h3 style=\"text-align: justify;\"><b>Exercice 4 :\u00a0<\/b><\/h3>\n<p style=\"text-align: justify;\"><strong>1)<\/strong> Il est clair que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-67e1e09582f45b21df02968a3c508fdc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#92;&#109;&#97;&#112;&#115;&#116;&#111;&#32;&#97;&#32;&#120;\" title=\"Rendered by QuickLaTeX.com\" height=\"10\" width=\"57\" style=\"vertical-align: -1px;\"\/> est continue sur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a6e421454947c585b8fb5ae10299f873_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> et<\/p>\n<div style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-546ebbd5b93606246486fefa2085c404_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#116;&#101;&#120;&#116;&#123;&#112;&#111;&#117;&#114;&#32;&#116;&#111;&#117;&#116;&#125;&#32;&#92;&#59;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#44;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#43;&#32;&#121;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"189\" style=\"vertical-align: -4px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-30863de90ef9d39fc48aeee1fc62d24b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#97;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#43;&#32;&#121;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"85\" style=\"vertical-align: -4px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-79b66cef463ffd29331c931323e1d252_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#97;&#32;&#120;&#32;&#43;&#32;&#97;&#32;&#121;&#32;&#61;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#43;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#121;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"205\" style=\"vertical-align: -4px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div>\n<p style=\"text-align: justify;\"><strong>2)<\/strong> <span style=\"font-size: inherit;\">Pour\u00a0<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bcc659f188465fe4226d2f333afa1af3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#78;&#125;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"49\" style=\"vertical-align: -4px;\"\/> on pose <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-05ae0ad15f88e28f167e42a79bd14ab6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#32;&#80;&#95;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"20\" style=\"vertical-align: -3px;\"\/> : \u00ab\u00a0<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-797cb80dc63c135e0ef3a265c61fca69_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#32;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"82\" style=\"vertical-align: -4px;\"\/>\u00ab\u00a0.<\/span><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/> Si l&rsquo;on prend <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ad94107001d0810952850f28d6d80ada_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#61;&#32;&#121;&#32;&#61;&#32;&#48;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"80\" style=\"vertical-align: -4px;\"\/> on a <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-abd1191a3d7f1c0946b770729182eacb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#43;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"153\" style=\"vertical-align: -4px;\"\/> soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a27c6000734d4b842d58868f473c8d7e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;&#32;&#61;&#32;&#48;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#97;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"136\" style=\"vertical-align: -5px;\"\/> Ainsi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-67fb518d1408224ef4168d7d30b65c45_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#32;&#80;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"19\" style=\"vertical-align: -3px;\"\/> est vraie.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/> Supposons <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-05ae0ad15f88e28f167e42a79bd14ab6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#32;&#80;&#95;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"20\" style=\"vertical-align: -3px;\"\/> vraie, montrons que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b3bcbc7664db9a0cbd1e3dcd233c2d41_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#32;&#80;&#95;&#123;&#110;&#32;&#43;&#32;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"37\" style=\"vertical-align: -5px;\"\/> vraie. Pour cela, \u00e9crivons<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4e17ac6267ee67edf332736a76ed547e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#110;&#32;&#43;&#32;&#49;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"68\" style=\"vertical-align: -4px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-defee7ed5f15c4a229a32409b01eb7ff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#43;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#49;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"114\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bebdd47e948d9808a5d66005c1ab6d30_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#117;&#110;&#100;&#101;&#114;&#115;&#101;&#116;&#123;&#92;&#116;&#101;&#120;&#116;&#123;&#72;&#82;&#125;&#125;&#123;&#61;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"21\" style=\"vertical-align: -12px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6bad9572867483d45bff964d953316e4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#110;&#32;&#43;&#32;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"51\" style=\"vertical-align: -2px;\"\/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e4476ce8b99d40dc342768434039ddbd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#97;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#110;&#32;&#43;&#32;&#49;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"85\" style=\"vertical-align: -4px;\"\/>.<\/p>\n<p style=\"text-align: justify;\">Ainsi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-05ae0ad15f88e28f167e42a79bd14ab6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#32;&#80;&#95;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"20\" style=\"vertical-align: -3px;\"\/> est donc vraie pour tout <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-aceae63ed1dc97aa779805d5e44f4940_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#78;&#125;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"49\" style=\"vertical-align: -1px;\"\/><\/p>\n<p style=\"text-align: justify;\"><strong>3)<\/strong> Pour <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-118f1462664ef7d29deab8371f1b18de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"49\" style=\"vertical-align: -4px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-33ed7a0746b3f6647da40026c530fb8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#43;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#45;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#48;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"189\" style=\"vertical-align: -4px;\"\/> soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-58399aba92fb0b355da3895ce77e092d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#43;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#45;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"143\" style=\"vertical-align: -4px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5d5950ec98c8c5c24d113dfbafd19bf4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#45;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#45;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"133\" style=\"vertical-align: -4px;\"\/><\/p>\n<div style=\"text-align: justify;\">On a prouv\u00e9 que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9c09a708375fde2676da319bcdfe8b24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"10\" style=\"vertical-align: -4px;\"\/> est impaire.<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">Soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a448111ea35bede5a4405bb3caa2cfec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#90;&#125;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"48\" style=\"vertical-align: -1px;\"\/> Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-12ee071a9967207b4abf4d0f37371c8b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#92;&#103;&#101;&#32;&#48;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"47\" style=\"vertical-align: -4px;\"\/> d&rsquo;apr\u00e8s la question pr\u00e9c\u00e9dente, on a <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4c1e2b7130a645d316a4a4ceb42e007f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#110;&#32;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"86\" style=\"vertical-align: -4px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">On suppose <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b12baffb01a1b7af1f1271a0858740b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#92;&#108;&#101;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"43\" style=\"vertical-align: -3px;\"\/> de sorte que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c60ac09cc7f811345cf3c0a4c3baf7f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#32;&#110;&#32;&#92;&#103;&#101;&#32;&#48;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"60\" style=\"vertical-align: -3px;\"\/> Ainsi, par la question pr\u00e9c\u00e9dente, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-059af23996daada3737913b0c076c69a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#45;&#32;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#45;&#32;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"133\" style=\"vertical-align: -4px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">Gr\u00e2ce \u00e0 l&rsquo;imparit\u00e9 de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9c09a708375fde2676da319bcdfe8b24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"10\" style=\"vertical-align: -4px;\"\/>, on a <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-976c0a3e39778e9573c80725602a3fc2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#45;&#32;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#45;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"127\" style=\"vertical-align: -4px;\"\/> soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d857b444d476f49c7e54d11d1ded895e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#45;&#32;&#97;&#32;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"108\" style=\"vertical-align: -5px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d14ca66f8287393f1a35c0175f828638_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#110;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"86\" style=\"vertical-align: -4px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div>\n<p style=\"text-align: justify;\"><strong>4)<\/strong> <span style=\"font-size: inherit;\">Il est facile de montrer par r\u00e9currence que pour tout <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e7d9750ef16217fec27533b7016511c6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#78;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"45\" style=\"vertical-align: -1px;\"\/> et pour tout <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b1f31e5b1de04e24c6dc7da92706cda_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#95;&#49;&#32;&#44;&#32;&#92;&#99;&#100;&#111;&#116;&#115;&#32;&#44;&#32;&#120;&#95;&#110;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"83\" style=\"vertical-align: -4px;\"\/> on a <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d792e0311aa8fa928606a9cfb3ec5b46_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#95;&#49;&#32;&#43;&#32;&#92;&#99;&#100;&#111;&#116;&#115;&#32;&#43;&#32;&#120;&#95;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#95;&#49;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#43;&#32;&#92;&#99;&#100;&#111;&#116;&#115;&#32;&#43;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#95;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"315\" style=\"vertical-align: -4px;\"\/> Ainsi, si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5458a70a032c3932b6099fb393acaa65_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#90;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"44\" style=\"vertical-align: -4px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-40a7e238b36eff099c042a11a5ffc514_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#113;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#78;&#125;&#94;&#42;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"55\" style=\"vertical-align: -4px;\"\/> on a\u00a0<\/span><\/p>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-66f0cd21e2a6f11066dc5eb76be94ff9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#112;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#113;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#112;&#125;&#123;&#113;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"139\" style=\"vertical-align: -17px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-fb1dbeb2a49c7c72ef94aec060ae29b4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#92;&#117;&#110;&#100;&#101;&#114;&#98;&#114;&#97;&#99;&#101;&#123;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#112;&#125;&#123;&#113;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#43;&#32;&#92;&#99;&#100;&#111;&#116;&#115;&#32;&#43;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#112;&#125;&#123;&#113;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#95;&#123;&#113;&#32;&#92;&#59;&#32;&#92;&#116;&#101;&#120;&#116;&#123;&#102;&#111;&#105;&#115;&#125;&#125;&#32;&#61;&#32;&#113;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#112;&#125;&#123;&#113;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"70\" width=\"279\" style=\"vertical-align: -44px;\"\/><br \/>\nOr, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-132c4de88fdbf8669f4bb997ab9ad34d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#112;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#32;&#112;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"82\" style=\"vertical-align: -4px;\"\/> d&rsquo;o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c0f25981d2ee71bc12bf6951d8a0ba48_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#112;&#125;&#123;&#113;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#112;&#125;&#123;&#113;&#125;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"102\" style=\"vertical-align: -17px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\"><strong>5) a)<\/strong> Par d\u00e9finition de la partie enti\u00e8re, on a : <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2ecde7fb950d53aa49fb4d4b8eebec55_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#94;&#110;&#32;&#120;&#32;&#45;&#32;&#49;&#32;&#92;&#108;&#101;&#32;&#92;&#108;&#102;&#108;&#111;&#111;&#114;&#32;&#49;&#48;&#94;&#110;&#32;&#120;&#32;&#92;&#114;&#102;&#108;&#111;&#111;&#114;&#32;&#92;&#108;&#101;&#32;&#49;&#48;&#94;&#110;&#32;&#120;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"207\" style=\"vertical-align: -5px;\"\/> Puis <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e7ac2a034d0fdf931d9eeacfb2cf2fc4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#45;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#49;&#48;&#94;&#110;&#125;&#32;&#92;&#108;&#101;&#32;&#117;&#95;&#110;&#32;&#92;&#108;&#101;&#32;&#120;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"143\" style=\"vertical-align: -13px;\"\/> Par le th\u00e9or\u00e8me d&rsquo;encadrement, on a <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9a273ccb00251abc8e9c1e8abdcdaa19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#110;&#32;&#92;&#116;&#111;&#32;&#43;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#117;&#95;&#110;&#32;&#61;&#120;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"132\" style=\"vertical-align: -5px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\"><strong>5) b)<\/strong> <span style=\"font-size: inherit;\">Soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b33982431dba279472e2cf74bd91e5d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"49\" style=\"vertical-align: -1px;\"\/> Par la question pr\u00e9ce\u00e9dente, il existe une suite de rationnels <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d02a06da16a9395e76cbf9c6751e62a5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#114;&#95;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#95;&#123;&#110;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#78;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"57\" style=\"vertical-align: -6px;\"\/> telle que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a3af0f8750cfcf6522e0100cf43a3ada_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#110;&#32;&#92;&#116;&#111;&#32;&#43;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#114;&#95;&#110;&#32;&#61;&#32;&#120;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"130\" style=\"vertical-align: -5px;\"\/><\/span><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div>\n<p style=\"text-align: justify;\">Par la question 4, on a <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c044efc1ea80e41f89d421251e6d1466_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#114;&#95;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#32;&#114;&#95;&#110;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"99\" style=\"vertical-align: -4px;\"\/> Or <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cfc5a65c72664b47d39b8ab6abe920e4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#110;&#32;&#92;&#116;&#111;&#32;&#43;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#97;&#32;&#114;&#95;&#110;&#32;&#61;&#32;&#97;&#120;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"148\" style=\"vertical-align: -5px;\"\/> De plus, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-21345b75698684e292db8ee3725f2185_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#95;&#123;&#110;&#32;&#92;&#116;&#111;&#32;&#43;&#92;&#105;&#110;&#102;&#116;&#121;&#125;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#114;&#95;&#110;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"180\" style=\"vertical-align: -5px;\"\/> car la fonction <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9c09a708375fde2676da319bcdfe8b24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"10\" style=\"vertical-align: -4px;\"\/> est continue en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a9cc293b28f198c32e0356b52e2e23bd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"14\" style=\"vertical-align: 0px;\"\/><\/p>\n<div style=\"text-align: justify;\">Il s&rsquo;ensuit que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ed53d023974f7a8977884d3d90f363e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#32;&#120;&#32;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"84\" style=\"vertical-align: -4px;\"\/><\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">\n<p><strong>6)<\/strong> On vient de montrer que pour tout <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-118f1462664ef7d29deab8371f1b18de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"49\" style=\"vertical-align: -4px;\"\/> on a <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-50dd672e36382fe9ab399a0b9900aa41_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#120;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#120;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"84\" style=\"vertical-align: -5px;\"\/> Ainsi, les seules fonctions solutions sont les fonctions lin\u00e9aires.<\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"127774\" class=\"elementor elementor-127774\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-5a7b6a2a elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"5a7b6a2a\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-749af387 ae-bg-gallery-type-default\" data-id=\"749af387\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1b4ed465 elementor-widget elementor-widget-heading\" data-id=\"1b4ed465\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS PARTICULIERS EN LIGNE<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16d47760 elementor-widget elementor-widget-heading\" data-id=\"16d47760\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Nous avons s\u00e9lectionn\u00e9 pour vous les meilleurs professeurs particuliers.<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21a162bf elementor-widget elementor-widget-heading\" data-id=\"21a162bf\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">POUR ACC\u00c9L\u00c9RER MA PROGRESSION<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5600477e elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"5600477e\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/cours-en-ligne\/toutes-matieres\/tous-niveaux\/france\/\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-md\" role=\"button\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers en ligne<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c7a7876 elementor-widget elementor-widget-text-editor\" data-id=\"1c7a7876\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p style=\"text-align: left;\"><b>Avis Google France <\/b><span style=\"color: #e5a430;\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-2aa12288 ae-bg-gallery-type-default\" data-id=\"2aa12288\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<p>Ne rel\u00e2chez pas vos efforts et assurez-vous de bien conna\u00eetre vos cours, en vous exer\u00e7ant sur les autres exercices des chapitres de maths en ECG1 :<\/p>\n<\/div>\n<ul>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-probabilites-univers-fini-ecs1\/\">les probabilit\u00e9s sur un univers fini<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-formules-taylor-developpements-limites-ecs1\/\">les formules de Taylor et les d\u00e9veloppements limit\u00e9s<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-extrema-convexite-ecs1\/\">extrema et la convexit\u00e9<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-series-numeriques-ecs1\/\">les s\u00e9ries num\u00e9riques<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-integration-ecs1\/\">l&rsquo;int\u00e9gration<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Corrig\u00e9s : Fonctions r\u00e9elles \u00e0 variables r\u00e9elles en ECG1 R\u00e9sum\u00e9 de cours Exercices Corrig\u00e9s Cours en ligne de Maths en ECG1 Corrig\u00e9s &#8211; Fonctions r\u00e9elles \u00e0 variables r\u00e9elles Exercice 1 :\u00a0 1) On a une forme ind\u00e9termin\u00e9e de la forme . La pr\u00e9sence de au d\u00e9nominateur nous fait penser \u00e0 un taux d&rsquo;accroissement. Posons ainsi [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Corrig\u00e9s Exercices sur les fonctions \u00e0 variables r\u00e9elles en ECG1<\/title>\n<meta name=\"description\" content=\"Les corrig\u00e9s d&#039;exercices incontournables et classiques sur les fonctions r\u00e9elles en ECG1 : limite et continuit\u00e9, d\u00e9rivabilit\u00e9s et d\u00e9riv\u00e9es..\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-corriges-fonctions-variables-reelles-ecs1\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Corrig\u00e9s Exercices sur les fonctions \u00e0 variables r\u00e9elles en ECG1\" \/>\n<meta property=\"og:description\" content=\"Les corrig\u00e9s d&#039;exercices incontournables et classiques sur les fonctions r\u00e9elles en ECG1 : limite et continuit\u00e9, d\u00e9rivabilit\u00e9s et d\u00e9riv\u00e9es..\" \/>\n<meta property=\"og:url\" content=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-corriges-fonctions-variables-reelles-ecs1\/\" \/>\n<meta property=\"og:site_name\" content=\"Groupe R\u00e9ussite\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/GroupeReussiteOfficiel\/\" \/>\n<meta property=\"article:modified_time\" content=\"2022-07-20T10:19:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2026\/05\/logo-groupe-reussite-carre.png\" \/>\n\t<meta property=\"og:image:width\" content=\"170\" \/>\n\t<meta property=\"og:image:height\" content=\"180\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@GroupeReussite\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-corriges-fonctions-variables-reelles-ecs1\/\",\"url\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-corriges-fonctions-variables-reelles-ecs1\/\",\"name\":\"Corrig\u00e9s Exercices sur les fonctions \u00e0 variables r\u00e9elles en ECG1\",\"isPartOf\":{\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/#website\"},\"datePublished\":\"2019-08-19T08:25:38+00:00\",\"dateModified\":\"2022-07-20T10:19:23+00:00\",\"description\":\"Les corrig\u00e9s d'exercices incontournables et classiques sur les fonctions r\u00e9elles en ECG1 : limite et continuit\u00e9, d\u00e9rivabilit\u00e9s et d\u00e9riv\u00e9es..\",\"breadcrumb\":{\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-corriges-fonctions-variables-reelles-ecs1\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-corriges-fonctions-variables-reelles-ecs1\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-corriges-fonctions-variables-reelles-ecs1\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/groupe-reussite.fr\/ressources\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Fonctions r\u00e9elles \u00e0 variables r\u00e9elles en ECG1 &#8211; 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