Question

(1+i÷1-i)×(1+i÷1-i)​

Answer 1

(1+i)^2/(1-i)^2

1+i^2+2i/1+i^2-2i

1-1+2i/1-1-2i

2i/-2i

-1

Hope it helps u

Answer 2

Answer:

hey mate please refer to the attachment