Soit x le nombre. On a l'expression:
x + 1
(x+1)² = x² + 2x + 1
x² + 2x + 1 - x²
2x+1
Si x = 2, on a:
(2*2) + 1 = 4+1 = 5
Si x = -3, on a:
(2*(-3)) + 1 = -6 + 1 = -5
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Soit x le nombre. On a l'expression:
x + 1
(x+1)² = x² + 2x + 1
x² + 2x + 1 - x²
2x+1
Si x = 2, on a:
(2*2) + 1 = 4+1 = 5
Si x = -3, on a:
(2*(-3)) + 1 = -6 + 1 = -5