Mathématiques

Question

E= 9-(2x-1)2

Calcule E lorsque x= 1/3

1 Réponse

  • E= 9-(2x-1)² = 9 - (2*1/3 -1)²E= 9-(2/3 -1)² = 9-(2/3 - 3/3)² = 9-(-1/3)² = 9 - 1/9 = 81/9 - 1/9 = 80/9

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