Mann Greene
06/18/2024 · Primary School
Exercice 4 On considére lopression : \( E=x^{2}-(x-1)(x+1) \) 2) Developper et réduire lexpression \( E \). 2) En déduire le résultat du calcul : \( 9998^{2}-9997 \times 9999 \).
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L'expression \( E \) simplifiée est égale à 1. Le calcul \( 9998^{2}-9997 \times 9999 \) donne également 1.
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