Question

1- Calcule

A- √2 ( 5 +√3) =

B- ( 4 + √5)² =

C- ( 3 - √7)² =

D- 2√3 ( √3 + 2) =

E- (√5 - 1) (√5 + 4) =

F- (3 + √7) (3 + √7) =

G- ( 4 + √5) ( 4-√5) =

Answer 1

Resposta:

a 28

b 14

c -4

d 235

e -6

f 83

g 53