Question

Simplify ( 1 - i ) ( 1 - i ) or ( 1 - i ) ^ (2)​

Answer 1

-2i.

Explanation:

( 1 - i ) ( 1 - i )

= 1(1 - i) - i(1 - i)

= 1 - i - i + i^2

Now i^2 = -1 so we have:

1 - 2i - 1

= -2i