Question

calcule:

b) (x – y) ²=

c) (a + b) (a – b) =

d) (x +y) ³=

e) (x – y) ³=​

Answer 1

Resposta:

B) - x - x2 , C ) a2 + b2 , a2 - b2 , D) + x + x3

E) x - y3