Bonjour, j'aimerai de l'aider s'il vous plaiiiit :

Je dois dire c'est cette affirmation est vrai ou fausse :

Si n est entier, (n-1)(n+1)+1 est toujours égal au carré d'un entier.

voila merci d'avance!

By: USER8521
27 Agustus 2025 mathematiques 5 minutes
4.5
236 views 236 comments 13 shares
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Question

Grade: Education Subject: mathematiques
Bonjour, j'aimerai de l'aider s'il vous plaiiiit :

Je dois dire c'est cette affirmation est vrai ou fausse :

Si n est entier, (n-1)(n+1)+1 est toujours égal au carré d'un entier.

voila merci d'avance!
Asked by:
236 Viewed 236 Answers

Answer (236)

Best Answer
(57)
(n-1) (n+1) + 1 = n² - 1² + 1 = n² - 1 + 1 = n²
Vrai
Answered on 27 Agustus 2025

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