Question

write it in the form of a+ib
(1+i)2(1-i)3
1+i square and 1-i cube

Answer 1

\((1+i)^2(1-i)^2(1-i)=2^2(1-i)=4-4i\)

Answer 2

1+i is square and 1-i is cube

Answer 3

Yes, but we can write \((1+i)^3\) as \((1+i)^2(1+i)\) right ?

Answer 4

I mean \((1-i)^3=(1-i)^2(1-i)\)

Answer 5

my answer comes-4+4i

Answer 6

How did you get that?

Answer 7

thanx a lot for the help:)