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Question: How can I find all the roots of a complex number in polar form?

Question:How can I find all the roots of a complex number in polar form?

emoh1 35
October 03 2010
1

I want to find (-8sqrt(2)-8sqrt(2)i)^(1/4),

I solve it and I got this answers in polar form. (4,5PI/16) (4,13Pi/16) (4,21Pi/16) and (4,29Pi/16)

I tried this in maple, but it didn´t work. z:=((-8*sqrt(2)-8*sqrt(2)*I))^(1/4) ; ec:=convert(z,'RootOf'); allvalues(ec);

 

Thanks.
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