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elena00
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elena00
June 2021 | 0 Respostas
Aidez moi svp je suis perdu :[[ 16 . Démontrer les égalités suivantes pour tous nombres a et b réels. a. (a + b)3 = a + 3a²b + 3ab2 + b3 b. (a - b)3 = a'3– 3a²b + 3ab2 – b3
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elena00
June 2021 | 0 Respostas
Aider moi svp!! Factoriser les expressions. A = (3x - 1)2 - 81 B= (5x – 2)2 – 16 C=9- (2x - 42 D= (8x -92-1 E = (3x - 4)2-(5x - 1)2 F= 3x2-1
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elena00
February 2021 | 0 Respostas
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