Réponse :
bonjour
Explications étape par étape :
a) (1+ √2)²
= 1²+ 2 x 1 x √2 + √2²
= 1 + 2√2 +2
= 3+2√2
b) (3- √2)²
=3² -2 x 3 x √2 + √2²
=9-6 √2 +2
= 11 - 6 √2
c) (4+2 √2)²
= 4² +2x4 x2 √2 + √2²
= 16 + 16√2 + 2
=18 + 16√2
d) (4- √2)(4+ √2)
= 4² - √2²
= 16 - 2
= 14
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Réponse :
bonjour
Explications étape par étape :
a) (1+ √2)²
= 1²+ 2 x 1 x √2 + √2²
= 1 + 2√2 +2
= 3+2√2
b) (3- √2)²
=3² -2 x 3 x √2 + √2²
=9-6 √2 +2
= 11 - 6 √2
c) (4+2 √2)²
= 4² +2x4 x2 √2 + √2²
= 16 + 16√2 + 2
=18 + 16√2
d) (4- √2)(4+ √2)
= 4² - √2²
= 16 - 2
= 14