Posted by Sébastien on Tuesday, January 24, 2012 at 12:44pm.
Hi i need help for calcul with a Moivre's theorem:
( 1/2 ( 1  i√3 )) ^3
thanks for your help

calculus  Steve, Tuesday, January 24, 2012 at 1:19pm
convert (x,y) to (r,θ)
1/2 ( 1  i√3 ) = (1,4π/3)
(re^{iθ})^{n} = r^{n}e^{inθ}
(1,4π/3)^{3} = (1^{3},4π) = (1,4π)
in (x,y) that's (1,0)
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