Question

Ajutoooooooor. Care se pricepe??
((1-i)(i-1))^4
Rezolvări complete va roggggg

Answer 1

$[(1-i)(i-1)]^4=[-(i-1)(i-1)]^4=[(i-1)^2]^4=\\ =(\not{i^2}-2i+\not1)^4=(-2i)^4=16i^4=\boxed{16}$