{"id":79022,"date":"2020-11-27T10:47:31","date_gmt":"2020-11-27T09:47:31","guid":{"rendered":"https:\/\/groupe-reussite.fr\/?page_id=79022"},"modified":"2025-05-23T13:37:19","modified_gmt":"2025-05-23T12:37:19","slug":"cours-en-ligne-exercices-corriges-second-degre-premiere","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-second-degre-premiere\/","title":{"rendered":"Exercices sur le second degr\u00e9 en premi\u00e8re"},"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\" style=\"text-align: justify\">\t\t<div data-elementor-type=\"page\" data-elementor-id=\"87251\" class=\"elementor elementor-87251\">\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-76a65432 elementor-section-content-bottom elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"76a65432\" 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-32a46fa2 sticky_badeau_colone strick_col ae-bg-gallery-type-default\" data-id=\"32a46fa2\" 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-2c50cf2d elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"2c50cf2d\" 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-708bb572 strick_col ae-bg-gallery-type-default\" data-id=\"708bb572\" 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-44855a3b elementor-widget elementor-widget-heading\" data-id=\"44855a3b\" 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-maths-premiere\/\">Cours en ligne Maths en Premi\u00e8re<\/a><\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d098b5f elementor-widget elementor-widget-heading\" data-id=\"3d098b5f\" 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 de maths en 1\u00e8re<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-863d969 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"863d969\" 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-second-degre-premiere\/\" 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 du second degr\u00e8s<\/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-1607a6f1 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"1607a6f1\" 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-numeriques-premiere\/\" 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 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-7798f9f6 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"7798f9f6\" 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-arithmetiques-geometriques-premiere\/\" 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 arithm\u00e9tiques et g\u00e9om\u00e9triques<\/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-4f697186 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"4f697186\" 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-derivation-premiere\/\" 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\">D\u00e9rivation<\/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-282e9f8d elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"282e9f8d\" 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 class=\"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\">Variations et courbes repr\u00e9sentatives de fonctions<\/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-5f812ad3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5f812ad3\" 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-fonction-exponentielle-premiere\/\" 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\">Fonction exponentielle<\/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-475e5edd elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"475e5edd\" 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 class=\"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 trigonom\u00e9triques<\/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-3283d8ad elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"3283d8ad\" 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 class=\"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\">Calcul vectoriel et produit scalaire<\/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-3c974042 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"3c974042\" 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 class=\"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\">Application du produit scalaire<\/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-20be8f12 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"20be8f12\" 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 class=\"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 conditionnelles<\/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-6de3e03b elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6de3e03b\" 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 class=\"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<\/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-7ecff8f0 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"7ecff8f0\" 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 class=\"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\">G\u00e9om\u00e9trie rep\u00e9r\u00e9e<\/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-7f576bd6 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"7f576bd6\" 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<\/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\" style=\"text-align: justify\">\n<h1 class=\"Latex_page_title\" style=\"text-align: center\">Exercices sur le second degr\u00e9 en premi\u00e8re<\/h1>\n<\/div>\n<p class=\"colone_latex_ancres\" style=\"text-align: center\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-second-degre-premiere\/\">R\u00e9sum\u00e9 de cours<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-second-degre-premiere\/\">Exercices et corrig\u00e9s<\/a><\/p>\n<p class=\"colone_latex_ancres\" style=\"text-align: center\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-maths-premiere\/\">Cours en ligne de Maths en Premi\u00e8re<\/a><\/p>\n<p style=\"text-align: justify\">Ces<strong> exercices sur le<\/strong> <strong>second degr\u00e9<\/strong> permettent aux \u00e9l\u00e8ves de r\u00e9viser ce chapitre important en classe de premi\u00e8re. Les \u00e9l\u00e8ves ne doivent pas h\u00e9siter \u00e0 travailler sur d&rsquo;autres chapitres avec les <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-maths-premiere\/\">cours en ligne de maths en premi\u00e8re<\/a> comme les <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-suites-numeriques-premiere\/\">exercices sur les suites num\u00e9riques<\/a> par exemple, les <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-suites-arithmetiques-geometriques-premiere\/\">exercices sur les s\u00e9ries arithm\u00e9tiques et g\u00e9om\u00e9triques<\/a>, les <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-derivation-premiere\/\">exercices sur la d\u00e9rivation<\/a> ou encore sur le chapitre des probabilit\u00e9s et statistiques. Vous pouvez aussi prendre des <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/maths\/tous-niveaux\/france\/\">cours de maths \u00e0 domicile<\/a> pour pallier vos lacunes et am\u00e9liorer votre niveau en maths en premi\u00e8re.<\/p>\n<p style=\"text-align: justify\">\n<h2 style=\"text-align: justify\">Second degr\u00e9 : exercice 1<\/h2>\n<p style=\"text-align: justify\">R\u00e9soudre <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e156c76aba25879e13a359523cfc8246_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#115;&#113;&#114;&#116;&#123;&#50;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#45;&#32;&#50;&#32;&#61;&#51;&#92;&#44;&#32;&#120;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"142\" style=\"vertical-align: -3px;\"\/><\/p>\n<h2 style=\"text-align: justify\">Second degr\u00e9 : exercice 2<\/h2>\n<p style=\"text-align: justify\">On suppose que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a15f3b4053ce1d53439d370ab463aff8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#32;&#92;&#110;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"42\" style=\"vertical-align: -4px;\"\/> et que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-43fe27dc3e528266a619764d90fce60b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef71511c70f0e4b25cc6bd69f3bc20c2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> sont les racines de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3616897c38f5d39ef889d3bfb8d37e7b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#81;&#40;&#120;&#41;&#32;&#61;&#32;&#97;&#92;&#44;&#32;&#120;&#32;&#94;&#50;&#32;&#43;&#32;&#98;&#32;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#99;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"197\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1dbf5b7dcddd462db7db738ebde8ebd3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#49;&#32;&#123;&#117;&#32;&#94;&#50;&#125;&#32;&#43;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#49;&#32;&#123;&#118;&#32;&#94;&#50;&#32;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"60\" style=\"vertical-align: -12px;\"\/> est \u00e9gal \u00e0 :<\/p>\n<p style=\"text-align: justify\">1. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e585d854e0f8e2f168016608413e624b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#98;&#32;&#94;&#50;&#32;&#45;&#32;&#50;&#92;&#44;&#32;&#97;&#32;&#92;&#44;&#32;&#99;&#125;&#32;&#123;&#99;&#32;&#94;&#50;&#32;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"69\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify\">ou<\/p>\n<p style=\"text-align: justify\">2. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ca98cc4c3d584bbff2a9c61fc07e1ec0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#98;&#32;&#94;&#50;&#32;&#45;&#32;&#52;&#92;&#44;&#32;&#97;&#32;&#92;&#44;&#32;&#99;&#125;&#32;&#123;&#99;&#32;&#94;&#50;&#32;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"69\" style=\"vertical-align: -12px;\"\/> ?<\/p>\n<h2 style=\"text-align: justify\">Second degr\u00e9 : exercice 3<\/h2>\n<p style=\"text-align: justify\">Existe-t-il un couple d&rsquo;entiers cons\u00e9cutifs dont le produit est le double de la somme ?<\/p>\n<h2 style=\"text-align: justify\">Second degr\u00e9 : exercice 4<\/h2>\n<p style=\"text-align: justify\">Soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bcef1d3918c133dc3028cc7160da46e7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"50\" style=\"vertical-align: -1px;\"\/>, \u00e9tudier le nombre de solutions r\u00e9elles de l&rsquo;\u00e9quation <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-409116cebc012d88ab8959f53d9e8257_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#69;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"26\" 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-d9275e90a37f37c7a3d691b29cc4ff15_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#109;&#32;&#45;&#32;&#52;&#41;&#32;&#92;&#44;&#32;&#120;&#94;&#50;&#32;&#45;&#32;&#50;&#40;&#109;&#32;&#45;&#50;&#41;&#32;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#50;&#92;&#44;&#32;&#109;&#32;&#45;&#32;&#51;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"295\" style=\"vertical-align: -5px;\"\/><\/p>\n<h2 style=\"text-align: justify\">Second degr\u00e9 : exercice 5<\/h2>\n<p style=\"text-align: justify\">R\u00e9soudre<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7c7f4d25d04f14b6b63e3a7927595670_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#49;&#125;&#32;&#123;&#120;&#32;&#45;&#32;&#49;&#125;&#32;&#43;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#49;&#32;&#123;&#50;&#92;&#44;&#32;&#120;&#45;&#32;&#51;&#125;&#32;&#92;&#108;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#54;&#125;&#32;&#123;&#54;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#55;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"200\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"184597\" class=\"elementor elementor-184597\">\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-f6a24df 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=\"f6a24df\" 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-1a43b36a ae-bg-gallery-type-default\" data-id=\"1a43b36a\" 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-51eac563 elementor-widget elementor-widget-heading\" data-id=\"51eac563\" 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\">PROF DE MATHS PARTICULIER<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51d48fa4 elementor-widget elementor-widget-heading\" data-id=\"51d48fa4\" 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\">Des cours de qualit\u00e9 et enseignants aguerris<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7fd3aeff elementor-widget elementor-widget-heading\" data-id=\"7fd3aeff\" 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\">Pr\u00e9parer des concours ou s'exercer<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-691aa52c elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"691aa52c\" 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 de maths \u00e0 domicile<\/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-266b70e2 elementor-widget elementor-widget-text-editor\" data-id=\"266b70e2\" 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-4bbd68df ae-bg-gallery-type-default\" data-id=\"4bbd68df\" 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<h2 style=\"text-align: justify\">Correction de l&rsquo;exercice 1 sur le second degr\u00e9<\/h2>\n<p style=\"text-align: justify\">Pour que la racine carr\u00e9e soit d\u00e9finie, on suppose que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-74b537f8dc46f2ba13634b02c2d6a383_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#32;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#49;&#32;&#62;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"85\" style=\"vertical-align: -2px;\"\/> ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d96ca62040dcc9f795d7ba7e665ee54f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#62;&#32;&#45;&#32;&#49;&#47;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"74\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p style=\"text-align: justify\">On \u00e9crit l&rsquo;\u00e9quation sous la forme<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d8d78b682ab7e04769b4c72e6aec9e83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#50;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#49;&#125;&#32;&#61;&#32;&#51;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"142\" style=\"vertical-align: -3px;\"\/>.<\/p>\n<p style=\"text-align: justify\">Lorsque <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b1f7074f57955fb03b48e60dcd956c13_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#45;&#32;&#49;&#47;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"74\" style=\"vertical-align: -5px;\"\/>, les deux membres de l&rsquo;\u00e9quation sont positifs ou nuls (car <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e64f27a9cdcada03309ac3e788804fb5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#50;&#32;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#49;&#47;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"102\" style=\"vertical-align: -5px;\"\/>), donc l&rsquo;\u00e9quation <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5bd18c0c093eff2407005166228ec6ad_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#32;&#61;&#32;&#98;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"41\" style=\"vertical-align: 0px;\"\/> est \u00e9quivalente \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-881176d635f45bd4b7e3de79b781140a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#94;&#50;&#32;&#61;&#32;&#98;&#32;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"56\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify\">ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d3dbc49ef66ffa645b4c2b01e296c59f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#32;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#49;&#32;&#61;&#32;&#40;&#51;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#50;&#41;&#32;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"150\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\">ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6a6e3bf5e84835e8904b7594f42327da_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#32;&#92;&#44;&#32;&#120;&#32;&#94;&#50;&#32;&#43;&#32;&#49;&#50;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#52;&#32;&#61;&#32;&#50;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"188\" style=\"vertical-align: -2px;\"\/><\/p>\n<p style=\"text-align: justify\">ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c66aa9e4134623fc829810837312fbff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#92;&#44;&#32;&#120;&#32;&#94;&#50;&#32;&#43;&#32;&#49;&#48;&#32;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#51;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"145\" style=\"vertical-align: -2px;\"\/>.<\/p>\n<p style=\"text-align: justify\">Le discriminant de l&rsquo;\u00e9quation est \u00e9gal \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e1ab18c26a26dd354c9de05d3ab4c3da_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#61;&#32;&#49;&#48;&#48;&#32;&#45;&#32;&#49;&#50;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#57;&#32;&#61;&#32;&#49;&#48;&#48;&#32;&#45;&#32;&#49;&#48;&#56;&#32;&#61;&#32;&#45;&#32;&#56;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"312\" style=\"vertical-align: -2px;\"\/><\/p>\n<p style=\"text-align: justify\">L&rsquo;\u00e9quation n&rsquo;admet pas de solution.<\/p>\n<h2 style=\"text-align: justify\">Correction de l&rsquo;exercice 2 sur le second degr\u00e9<\/h2>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bde35dc4ffcd5d199e10e5313f7246cb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#49;&#32;&#123;&#117;&#32;&#94;&#50;&#125;&#32;&#43;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#49;&#32;&#123;&#118;&#32;&#94;&#50;&#32;&#125;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#117;&#32;&#94;&#50;&#32;&#43;&#32;&#118;&#94;&#50;&#125;&#32;&#123;&#117;&#32;&#94;&#50;&#32;&#92;&#44;&#32;&#118;&#32;&#94;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"185\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-24175882cd9da81845fe27fbb35f93ff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#32;&#92;&#44;&#32;&#118;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"22\" style=\"vertical-align: 0px;\"\/> est le produit des racines de l&rsquo;\u00e9quation donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-46830fadc7216535d6f2858507f398a1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#32;&#92;&#44;&#32;&#118;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#99;&#125;&#32;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"58\" style=\"vertical-align: -12px;\"\/>.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8955751bab75d2ec97a85614ab30b1a9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#32;&#94;&#50;&#32;&#43;&#32;&#118;&#94;&#50;&#32;&#61;&#32;&#40;&#117;&#32;&#43;&#32;&#118;&#41;&#94;&#50;&#32;&#45;&#32;&#50;&#92;&#44;&#32;&#117;&#32;&#92;&#44;&#32;&#118;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"198\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-751bc99401b41f4d783892c4a4e3f6a1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#32;&#43;&#32;&#118;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"41\" style=\"vertical-align: -2px;\"\/> est la somme des racines de l&rsquo;\u00e9quation donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5b30c58c182fdc992fbe5d4e8a96178_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#32;&#43;&#32;&#118;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#45;&#32;&#98;&#125;&#32;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"89\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4c3d6cf907de22ce65d34a3c4418b5ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#32;&#94;&#50;&#32;&#43;&#32;&#118;&#94;&#50;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#32;&#98;&#32;&#94;&#50;&#125;&#32;&#123;&#97;&#94;&#50;&#125;&#32;&#45;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#50;&#92;&#44;&#32;&#99;&#125;&#32;&#97;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#98;&#32;&#94;&#50;&#32;&#45;&#32;&#50;&#32;&#92;&#44;&#32;&#97;&#32;&#92;&#44;&#32;&#99;&#125;&#32;&#123;&#97;&#32;&#94;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"241\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2bf62c1265432a00245c127de172f887_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#111;&#120;&#101;&#100;&#123;&#69;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#98;&#32;&#94;&#50;&#32;&#45;&#32;&#50;&#92;&#44;&#32;&#97;&#32;&#92;&#44;&#32;&#99;&#125;&#32;&#123;&#99;&#32;&#94;&#50;&#32;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"51\" width=\"122\" style=\"vertical-align: -18px;\"\/>.<\/p>\n<h2 style=\"text-align: justify\">Correction de l&rsquo;exercice 3 sur le second degr\u00e9<\/h2>\n<p style=\"text-align: justify\">On cherche un entier <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;\"\/> tel que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b0346fcc39be32231f2a9d1f8bb81a1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#83;&#32;&#61;&#32;&#120;&#32;&#43;&#32;&#120;&#32;&#43;&#32;&#49;&#32;&#61;&#32;&#50;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"183\" style=\"vertical-align: -2px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c29361222ca93402eef4ceadf8749b79_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;&#32;&#61;&#32;&#120;&#40;&#32;&#120;&#32;&#43;&#32;&#49;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"101\" style=\"vertical-align: -5px;\"\/> v\u00e9rifient <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3bdee3b72e59481f16afe8f58ac45684_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;&#32;&#61;&#32;&#50;&#92;&#44;&#32;&#83;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"61\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify\">ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1abd94265f53334e2f251e8cbfd48f1f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#40;&#120;&#32;&#43;&#32;&#49;&#41;&#32;&#61;&#32;&#50;&#32;&#40;&#50;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#49;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"163\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\">ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0fb0d7c42035dd3a8cda68e0a9d3cc35_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#94;&#50;&#32;&#43;&#32;&#120;&#32;&#45;&#32;&#52;&#32;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#50;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"156\" style=\"vertical-align: -2px;\"\/><\/p>\n<p style=\"text-align: justify\">ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-63fadba50ce42a511d2b696efae2404c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#94;&#50;&#32;&#45;&#32;&#51;&#32;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#50;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"125\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9d95a8d6e3dcb75b126e0258b2949160_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#61;&#32;&#57;&#32;&#43;&#32;&#56;&#32;&#61;&#32;&#49;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"119\" style=\"vertical-align: -2px;\"\/>.<\/p>\n<p style=\"text-align: justify\">Cette \u00e9quation n&rsquo;admet pas de solution enti\u00e8re.<\/p>\n<p style=\"text-align: justify\">Le probl\u00e8me n&rsquo;a pas de solution, la r\u00e9ponse est donc non.<\/p>\n<h2 style=\"text-align: justify\">Correction de l&rsquo;exercice 4 sur le second degr\u00e9<\/h2>\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;\"\/> Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6efb4e00e7714aa85e7d5a1c0a6f9153_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#32;&#61;&#32;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"48\" style=\"vertical-align: 0px;\"\/> , l&rsquo;\u00e9quation s&rsquo;\u00e9crit<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3dbb23c4f37d761a410064b33987faa0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#45;&#32;&#52;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#53;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"98\" style=\"vertical-align: -2px;\"\/>, elle admet une unique solution.<\/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;\"\/> Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a9b61236f8cbf04baacaab180a088321_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#32;&#92;&#110;&#101;&#113;&#32;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"48\" style=\"vertical-align: -4px;\"\/>, l&rsquo;\u00e9quation est du second degr\u00e9 de discriminant<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0a89342ba01018a463e3eeddaa67fafa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#61;&#32;&#52;&#92;&#44;&#40;&#109;&#32;&#45;&#32;&#50;&#41;&#94;&#50;&#32;&#45;&#32;&#52;&#92;&#44;&#40;&#109;&#32;&#45;&#32;&#52;&#41;&#40;&#50;&#92;&#44;&#32;&#109;&#32;&#45;&#32;&#51;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"282\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4b0e52fd2b733e74734f1f4f9958e7ba_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#61;&#32;&#52;&#92;&#44;&#32;&#40;&#109;&#32;&#94;&#50;&#32;&#45;&#32;&#52;&#92;&#44;&#32;&#109;&#32;&#43;&#32;&#52;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"166\" style=\"vertical-align: -5px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-43bfe1da3e9d24cd10876fe9e19e7639_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#45;&#32;&#92;&#44;&#32;&#52;&#92;&#44;&#40;&#50;&#32;&#92;&#44;&#32;&#109;&#32;&#94;&#50;&#32;&#45;&#32;&#56;&#92;&#44;&#32;&#109;&#32;&#45;&#32;&#51;&#92;&#44;&#32;&#109;&#32;&#43;&#32;&#49;&#50;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"213\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d2455735e76bde14d8a1c4c653567b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#61;&#32;&#52;&#92;&#44;&#32;&#40;&#45;&#32;&#109;&#32;&#94;&#50;&#32;&#43;&#55;&#32;&#92;&#44;&#32;&#109;&#32;&#45;&#32;&#56;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"180\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p style=\"text-align: justify\">On cherche les racines de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-df1a9db58ebbb5269b95a12ed60149a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#92;&#113;&#117;&#97;&#100;&#32;&#45;&#32;&#109;&#32;&#94;&#50;&#32;&#43;&#55;&#32;&#92;&#44;&#32;&#109;&#32;&#45;&#32;&#56;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"148\" style=\"vertical-align: -2px;\"\/>.<\/p>\n<p style=\"text-align: justify\">Le discriminant <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-39a4a50a950860c3382888e9851dc75a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#39;&#32;&#61;&#32;&#52;&#57;&#32;&#45;&#32;&#52;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#56;&#32;&#61;&#32;&#49;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"163\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4983dc22aa6530a9c0dc9a3fe7dd16e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"47\" style=\"vertical-align: 0px;\"\/> admet deux racines<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-093b5c2c093a5cf91f66de4f8c90a211_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#109;&#95;&#49;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#45;&#32;&#55;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#49;&#55;&#125;&#125;&#32;&#123;&#45;&#32;&#50;&#125;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#55;&#32;&#43;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#49;&#55;&#125;&#125;&#32;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"218\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2c79b48332ddef5452b2644a063882a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#117;&#97;&#100;\" title=\"Rendered by QuickLaTeX.com\" height=\"1\" width=\"1\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2ecfabbf1dafcfeeb092fdf9b06ec869_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#95;&#50;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#45;&#32;&#55;&#32;&#43;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#49;&#55;&#125;&#125;&#32;&#123;&#45;&#32;&#50;&#125;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#55;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#49;&#55;&#125;&#125;&#32;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"217\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify\">avec <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-249e9604f9d9040e180ed5c2ba188505_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#95;&#50;&#32;&#60;&#32;&#109;&#95;&#49;&#92;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"69\" style=\"vertical-align: -3px;\"\/>.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f113f352168d3b16a8f3e8b41e919e16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#115;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"9\" width=\"7\" style=\"vertical-align: 0px;\"\/> Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bd19c0bcb080a0bb91aa9fe8af227a9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#32;&#60;&#32;&#109;&#95;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"62\" style=\"vertical-align: -3px;\"\/> ou <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-fb38b33571f566633052f4b8cdb2b7e7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#32;&#62;&#32;&#109;&#95;&#49;&#92;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"61\" style=\"vertical-align: -3px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b685564f217373a1cdfa389d8fe5fbbd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"47\" style=\"vertical-align: 0px;\"\/>, l&rsquo;\u00e9quation <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-409116cebc012d88ab8959f53d9e8257_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#69;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"26\" style=\"vertical-align: -4px;\"\/> n&rsquo;admet pas de solution.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f113f352168d3b16a8f3e8b41e919e16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#115;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"9\" width=\"7\" style=\"vertical-align: 0px;\"\/> Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f874564242c0b672d2896bd450123576_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#32;&#61;&#32;&#109;&#95;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"61\" style=\"vertical-align: -3px;\"\/> ou <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-18479a3222ceaf2d591c12541d4eec5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#32;&#61;&#32;&#109;&#95;&#50;&#92;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"62\" style=\"vertical-align: -3px;\"\/>, l&rsquo;\u00e9quation <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-409116cebc012d88ab8959f53d9e8257_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#69;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"26\" style=\"vertical-align: -4px;\"\/> admet une racine double.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f113f352168d3b16a8f3e8b41e919e16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#115;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"9\" width=\"7\" style=\"vertical-align: 0px;\"\/> Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ca3505f7153a1f6fc5afb20e431da226_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#95;&#50;&#32;&#60;&#32;&#109;&#32;&#60;&#32;&#109;&#95;&#49;&#92;&#44;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"108\" style=\"vertical-align: -3px;\"\/>, l&rsquo;\u00e9quation <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-409116cebc012d88ab8959f53d9e8257_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#69;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"26\" style=\"vertical-align: -4px;\"\/> admet deux racines distinctes.<\/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<h2 style=\"text-align: justify\">Correction de l&rsquo;exercice 5 sur le second degr\u00e9<\/h2>\n<p style=\"text-align: justify\">On suppose que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-39e38266843fe9c414cbc6021456b76b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#68;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"46\" style=\"vertical-align: -1px;\"\/> o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d56b6840622e776e7e7f6fe261482557_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#68;&#125;&#32;&#61;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#32;&#92;&#115;&#101;&#116;&#109;&#105;&#110;&#117;&#115;&#32;&#92;&#123;&#32;&#49;&#92;&#44;&#32;&#44;&#32;&#92;&#44;&#32;&#51;&#47;&#50;&#32;&#92;&#44;&#32;&#44;&#32;&#92;&#44;&#32;&#55;&#47;&#54;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"175\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p style=\"text-align: justify\">L&rsquo;in\u00e9quation est \u00e9quivalente \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-07fe16764045860506e77b20aa01a444_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#40;&#120;&#41;&#32;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"67\" style=\"vertical-align: -5px;\"\/> avec <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6c43ec4e0949ad1e4089c896cc6b60ab_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#40;&#120;&#41;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#54;&#125;&#32;&#123;&#54;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#55;&#125;&#32;&#45;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#49;&#125;&#32;&#123;&#120;&#32;&#45;&#32;&#49;&#125;&#32;&#45;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#49;&#32;&#123;&#50;&#92;&#44;&#32;&#120;&#45;&#32;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"257\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify\">On r\u00e9duit au m\u00eame d\u00e9nominateur<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5d798ee565df2f1482076865419a7504_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#40;&#120;&#41;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#78;&#40;&#120;&#41;&#125;&#32;&#123;&#68;&#40;&#120;&#41;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"101\" style=\"vertical-align: -17px;\"\/><\/p>\n<p style=\"text-align: justify\">avec <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-725d77642dd8f47633029d8610212836_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;&#40;&#120;&#41;&#32;&#61;&#32;&#40;&#54;&#32;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#55;&#41;&#32;&#40;&#50;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#51;&#41;&#32;&#40;&#120;&#32;&#45;&#32;&#49;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"249\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\">et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e9df5738c2ee950e73c5cb5ad389cb6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;&#40;&#120;&#41;&#32;&#61;&#32;&#54;&#40;&#120;&#32;&#45;&#32;&#49;&#41;&#40;&#50;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#51;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"193\" style=\"vertical-align: -5px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-221d9539115130e17c84779c471284c9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#45;&#92;&#44;&#32;&#40;&#54;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#55;&#41;&#40;&#120;&#32;&#45;&#32;&#49;&#41;&#32;&#45;&#32;&#40;&#54;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#55;&#41;&#40;&#50;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#51;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"290\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1c40d88fb656ed3e91adb260e0cc5f48_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;&#40;&#120;&#41;&#32;&#61;&#32;&#54;&#92;&#44;&#40;&#120;&#32;&#45;&#32;&#49;&#41;&#40;&#50;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#51;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"196\" style=\"vertical-align: -5px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b53542da675c64ed2fcce9804b74c36e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#45;&#32;&#92;&#44;&#32;&#40;&#54;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#55;&#41;&#40;&#120;&#32;&#45;&#32;&#49;&#32;&#43;&#32;&#50;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#51;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"210\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a63f1a1b65385e11ecf9360c58a965c4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#54;&#92;&#44;&#32;&#40;&#50;&#92;&#44;&#32;&#120;&#32;&#94;&#50;&#32;&#45;&#32;&#53;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#51;&#41;&#32;&#45;&#32;&#40;&#54;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#55;&#41;&#32;&#40;&#51;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#52;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"302\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0cd8a422331f32ac76988cb62819d988_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#49;&#50;&#92;&#44;&#32;&#120;&#94;&#50;&#32;&#45;&#32;&#51;&#48;&#32;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#49;&#56;&#32;&#45;&#32;&#40;&#49;&#56;&#92;&#44;&#32;&#120;&#94;&#50;&#32;&#45;&#32;&#52;&#53;&#92;&#44;&#32;&#120;&#32;&#43;&#32;&#50;&#56;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"314\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b37d1ebc4cd6b4c3948adae0894dfd56_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;&#40;&#120;&#41;&#32;&#61;&#32;&#45;&#32;&#54;&#92;&#44;&#32;&#120;&#32;&#94;&#50;&#32;&#43;&#32;&#49;&#53;&#92;&#44;&#32;&#120;&#32;&#45;&#32;&#49;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"199\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p style=\"text-align: justify\">Le discriminant de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5793832f979c2268e3694c246d53b1bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> est \u00e9gal \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6eaf0cd099ca85483129161dd32d6abe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#61;&#32;&#49;&#53;&#94;&#50;&#32;&#45;&#32;&#50;&#52;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#48;&#32;&#61;&#32;&#45;&#32;&#49;&#53;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"231\" style=\"vertical-align: -2px;\"\/><\/p>\n<p style=\"text-align: justify\">donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-774d1f69d8c696dd632a32299d799df0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;&#40;&#120;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"39\" style=\"vertical-align: -4px;\"\/> est du signe du coefficient de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-06331b1bd0ee4b66f12b3f95246a2707_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"\/> soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c2132c155b6eee6d972717d0c76962a0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;&#40;&#120;&#41;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"73\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p style=\"text-align: justify\">On en d\u00e9duit que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-07fe16764045860506e77b20aa01a444_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#40;&#120;&#41;&#32;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"67\" style=\"vertical-align: -5px;\"\/> ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef6d69b769991c516f45db0b078c0d1d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;&#40;&#120;&#41;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"72\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\">Les racines de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4b9ef1bbd23fd1b198de883813285620_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"15\" style=\"vertical-align: 0px;\"\/> rang\u00e9es par ordre strictement croissant sont <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-95b29a3e425d1f2eea010e95ee1f806f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#32;&#44;&#92;&#44;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#55;&#32;&#54;&#32;&#44;&#32;&#92;&#44;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#51;&#32;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"53\" style=\"vertical-align: -12px;\"\/>.<\/p>\n<p style=\"text-align: justify\">Je vous laisse faire un tableau de signes pour d\u00e9montrer que<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef6d69b769991c516f45db0b078c0d1d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;&#40;&#120;&#41;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"72\" style=\"vertical-align: -5px;\"\/> ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d1f42e09285d40e8a7fc631b7fff3083_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#60;&#32;&#45;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"56\" style=\"vertical-align: -2px;\"\/> ou <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3b06054e5387252496acb45e3cbd0d8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#55;&#47;&#54;&#32;&#60;&#32;&#120;&#32;&#60;&#32;&#51;&#47;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"110\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\">L&rsquo;ensemble des solutions est <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a289e21b9aadf6f6f3ff7e463e2d7882_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#113;&#113;&#117;&#97;&#100;&#32;&#92;&#113;&#117;&#97;&#100;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#98;&#111;&#120;&#101;&#100;&#32;&#123;&#093;&#45;&#32;&#92;&#105;&#110;&#102;&#116;&#121;&#32;&#45;&#32;&#49;&#091;&#92;&#59;&#32;&#92;&#99;&#117;&#112;&#92;&#59;&#32;&#92;&#108;&#101;&#102;&#116;&#32;&#093;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#55;&#32;&#54;&#32;&#44;&#92;&#44;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#51;&#32;&#50;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#32;&#091;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"171\" style=\"vertical-align: -22px;\"\/>.<\/p>\n<p style=\"text-align: justify\">&#x1f44d; On fera attention dans le cas d&rsquo;in\u00e9galit\u00e9s faisant intervenir des fractions d\u00e9pendant de <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;\"\/> de ne pas faire le \u00ab\u00a0produit en croix\u00a0\u00bb , il faut penser \u00e0 faire attention au signe des d\u00e9nominateurs.<\/p>\n<p style=\"text-align: justify\">Le plus simple est donc de se ramener \u00e0 une in\u00e9galit\u00e9 du type <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7ed796487df80967ad6281a6aa7dfb38_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#40;&#120;&#41;&#32;&#62;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"67\" style=\"vertical-align: -4px;\"\/> ou <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-07fe16764045860506e77b20aa01a444_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#40;&#120;&#41;&#32;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"67\" style=\"vertical-align: -5px;\"\/> et d&rsquo;\u00e9tudier le signe du num\u00e9rateur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-774d1f69d8c696dd632a32299d799df0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;&#40;&#120;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"39\" style=\"vertical-align: -4px;\"\/> et du d\u00e9nominateur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0170b983fcc648c0a50265cc7143c9ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;&#40;&#120;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"38\" style=\"vertical-align: -4px;\"\/>.<\/p>\n<p style=\"text-align: justify\">On pourra si n\u00e9cessaire introduire un tableau de signes.<\/p>\n<p style=\"text-align: justify\">On peut aussi dire que<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d9b820d7b855ac6037b1dbf60bc770e6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#78;&#40;&#120;&#41;&#125;&#32;&#123;&#68;&#40;&#120;&#41;&#125;&#32;&#62;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"75\" style=\"vertical-align: -17px;\"\/> ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b7c71fd31365fdf4c11a2be6f515fd30_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;&#40;&#120;&#41;&#32;&#92;&#44;&#32;&#68;&#40;&#120;&#41;&#32;&#62;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"115\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-fe94b273242b7516ed07c21dd162faa0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#92;&#102;&#114;&#97;&#99;&#32;&#123;&#78;&#40;&#120;&#41;&#125;&#32;&#123;&#68;&#40;&#120;&#41;&#125;&#32;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"75\" style=\"vertical-align: -17px;\"\/> ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-60ffdee48546a105ebeb909728d161a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;&#40;&#120;&#41;&#32;&#92;&#44;&#32;&#68;&#40;&#120;&#41;&#32;&#92;&#103;&#101;&#113;&#115;&#108;&#97;&#110;&#116;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"115\" style=\"vertical-align: -5px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-28a9a4cd8f791b6f739daa385ba7c9fa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;&#40;&#120;&#41;&#32;&#92;&#110;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"72\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p style=\"text-align: justify\">L&rsquo;application mobile PrepApp contient d&rsquo;autres<strong> exercices sur le second degr\u00e9<\/strong> en premi\u00e8re et sur les autres chapitres de maths (<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-fonction-exponentielle-premiere\/\">exercices sur la fonction exponentielle<\/a> par exemple). Les \u00e9l\u00e8ves peuvent aussi travailler sur ces chapitres avec un professeur de maths particulier.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Exercices sur le second degr\u00e9 en premi\u00e8re R\u00e9sum\u00e9 de cours Exercices et corrig\u00e9s Cours en ligne de Maths en Premi\u00e8re Ces exercices sur le second degr\u00e9 permettent aux \u00e9l\u00e8ves de r\u00e9viser ce chapitre important en classe de premi\u00e8re. Les \u00e9l\u00e8ves ne doivent pas h\u00e9siter \u00e0 travailler sur d&rsquo;autres chapitres avec les cours en ligne de [&hellip;]<\/p>\n","protected":false},"author":6,"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>Exercices sur le decond degr\u00e9 en premi\u00e8re<\/title>\n<meta name=\"description\" content=\"Exercices second degr\u00e9 en classe de premi\u00e8re : exercices en ligne gratuits sur l&#039;\u00e9quation du second degr\u00e9, \u00e9quation polynomiales...\" \/>\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-exercices-corriges-second-degre-premiere\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Exercices sur le decond degr\u00e9 en premi\u00e8re\" \/>\n<meta property=\"og:description\" content=\"Exercices second degr\u00e9 en classe de premi\u00e8re : exercices en ligne gratuits sur l&#039;\u00e9quation du second degr\u00e9, \u00e9quation polynomiales...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-second-degre-premiere\/\" \/>\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=\"2025-05-23T12:37:19+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=\"7 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-exercices-corriges-second-degre-premiere\/\",\"url\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-second-degre-premiere\/\",\"name\":\"Exercices sur le decond degr\u00e9 en premi\u00e8re\",\"isPartOf\":{\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/#website\"},\"datePublished\":\"2020-11-27T09:47:31+00:00\",\"dateModified\":\"2025-05-23T12:37:19+00:00\",\"description\":\"Exercices second degr\u00e9 en classe de premi\u00e8re : exercices en ligne gratuits sur l'\u00e9quation du second degr\u00e9, \u00e9quation polynomiales...\",\"breadcrumb\":{\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-second-degre-premiere\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-second-degre-premiere\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-second-degre-premiere\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/groupe-reussite.fr\/ressources\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exercices sur le second degr\u00e9 en premi\u00e8re\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/#website\",\"url\":\"https:\/\/groupe-reussite.fr\/ressources\/\",\"name\":\"Groupe R\u00e9ussite - 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