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jeannou20
@jeannou20
June 2021
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Anatole affirme :"Pour tout nombre entier naturel n l'expression n au carré-4n+4 est toujours différente de zéro
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ficanas06
Verified answer
N² - 4n + 4 = (n-2)² => (a-b)² = a²-2ab + b²
(n-2)² est nul pour n=2 puisque (2-2)² = 0
Guillaume a donc tort.
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jeannou20
Merci :)
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jeannou20
June 2021 | 0 Respostas
SVP!!! Urgent ! Comment calcule-t-on le volume d'un prisme droit ??? Merci d'avance !:)
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Verified answer
N² - 4n + 4 = (n-2)² => (a-b)² = a²-2ab + b²(n-2)² est nul pour n=2 puisque (2-2)² = 0
Guillaume a donc tort.