👤

Sagot :

VINS

bonjour

x = √5 - 2 et  y = √5 + 2

x² = ( √5 - 2 )²

x² = 5 - 4 √5 + 4

x² = 9 - 4 √5

y ² = ( √5 + 2 )²

y² =  5  + 4 √5 + 4

y ² =  9 + 4 √5

xy = ( √5 - 2 ) ( √5 + 2) = 5 - 4 = 1

Other Questions

© 2024 IDNLearn. All rights reserved.