Question

Sendo A=(x+1/x)^2 e B=(x-1/x)^2, calcule (A-B)^2 e (A=B)^2


CÁLCULOS, POR FAVOR

Answer 1

a)(x+1/x) (x+1/x) =x^2 2x+2x+2x=x^2+6

b)(a-b) (a-b) =a^2 ab-ab + 2b=a^2+2b