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Ninny
@Ninny
April 2019
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Comment résoudre une équation du second degrés sans utiliser de discriminant?(avec la technique de seconde)
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tommus
La meilleure méthode sans utiliser le discriminant est la factorisation par une identité remarquable.
Exemple :
3x² - 12x + 12 = 0
3 (x² - 4x + 4) = 0
x² - 4x + 4 = 0
(x - 2)² = 0
Application du produit nul :
x-2 = 0
x = 2.
S = {2}.
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Lista de comentários
Exemple :
3x² - 12x + 12 = 0
3 (x² - 4x + 4) = 0
x² - 4x + 4 = 0
(x - 2)² = 0
Application du produit nul :
x-2 = 0
x = 2.
S = {2}.