Recent content by iamavisitor

I know about de Moivre's formula. With it I get radius (r) to be sqrt(5) and angle 63.43 degrees. Again this is complicated to do by hand and I am wandering whether I got something wrong.

Homework Statement Please help me find (3/(1-i)-(1-i)/2)^40. I got a result (see below) but I'm not sure whether it is correct. Any help is appreciated. Thanks. Homework Equations The Attempt at a Solution I got (1+2i)^40. After this I got some funny numbers like...