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Jujumama1
@Jujumama1
April 2019
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Developper les expressions donnees en utilisabt une identité remarcable (4x+5)au carré
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anylor
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Bonjour,
il faut utiliser l'identité remarquable (a+b)² =a²+2ab+b²
(4x+5)² = (4x)² + 2×4x×5 +5²
=16x² +40x +25
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Bonjour,il faut utiliser l'identité remarquable (a+b)² =a²+2ab+b²
(4x+5)² = (4x)² + 2×4x×5 +5²
=16x² +40x +25