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LilouHSMTP
@LilouHSMTP
April 2019
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Bonjour, est-ce que vous pourriez m'aider pour les exercices 119 et 120, c'est pour un DM et je n'y arrive pas. Merci d'avance à ceux qui m'aideront.
(Colonne gauche du tableau: x+3/ x/ x+2)
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Lau16
n°120
:
a) (x - 2)(x + 2) = x² + 2x - 2x + 4
= x² + 4
(= x² + 2²)
b) 98 * 102 = (100 - 2)( 100 + 2)
= 100² + 4
= 10 000 + 4
= 10 004
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a) (x - 2)(x + 2) = x² + 2x - 2x + 4
= x² + 4 (= x² + 2²)
b) 98 * 102 = (100 - 2)( 100 + 2)
= 100² + 4
= 10 000 + 4
= 10 004