February 28, 2017

Homework Help: Calculus

Posted by Kelly on Wednesday, May 7, 2008 at 9:27pm.

I have a problem about complex number.

Let z=7e^(7*pi*i/4) .

Write z, z^4, z^7, z^(-2) in the form a + b i

I have no idea how to do it. Any hints will be appreciated.

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