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


Răspuns :

[tex][(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}[/tex]