Question

can you slove this
(1-i)^4​

Answer 1

Step-by-step explanation:

(1-i)⁴

=[(1-i)²]²

=(1² + i² -2i)² by identity (a-b)²= a²+b²-2ab

=[1 + (-1) -2i]²

=(1 - 1 -2i)²

= (-2i)²

=4i²

=4×(-1)

=-4