I'm trying to get the 4 solutions for this: In cis form and after applying de Moivre's theorem I get: Where k is varying integer. I've checked several times and I can't see where I'm wrong. Help appreciated!
Last edited by elieh; Sep 24th 2011 at 10:55 AM.
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Originally Posted by elieh I'm trying to get the 4 solutions for this: In cis form and after applying de Moivre's theorem I get: Where k is varying integer. I've checked several times and I can't see where I'm wrong. Help appreciated! Have you written that correctly? OR should it be
Sorry! my bad, I edited it
Originally Posted by elieh I'm trying to get the 4 solutions for this: You have the argument wrong. The only thing to add is
But I don't get whole numbers to put in my answer which should be in the form a+bi
Originally Posted by elieh But I don't get whole numbers to put in my answer which should be in the form a+bi Now
That works, Thanks.
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