Question

Números complexos, Efetue :(1+i)^5 × (1-i)^5.

Answer 1

(1 + i)⁵ * (1 - i)⁵ = [(1 + i)(1 - i)]⁵ = (1 - i²)⁵ = [1 - (-1)]⁵ = 2⁵ = 32