use deMoivre's theormen to find the indicated power of the complex number:
2(sqrt3 +2i)^4
what do I do with the 2 in front??
without 2 in front:
r=sqrt(3+4) = sqrt7
tan-1 (2/sqrt3) = 49.1
(sqrt7)^4 (cos(4*49.1) + i (sin(4*49.1)) )
what do I do with the 2????
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powers of complex numbers 
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powers of complex numbers
by arletebacon on Tue Oct 11, 2011 2:07 am
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by stapel_eliz on Tue Oct 11, 2011 11:25 am
arletebacon wrote:what do I do with the 2????
Multiply the complex number by it.
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stapel_eliz - Posts: 1782
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