Show that where is the principal value of the nth root of .
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Originally Posted by splash Show that where is the principal value of the nth root of . I have no idea what to do, so if I'm wrong, than just ignore me. But I think this might help: Thus
Originally Posted by splash Show that where is the principal value of the nth root of . I am not sure what you mean by . But given the equation, Then, (by de Moiver's theorem) For I assume by prinicpal you mean In that case, Thus,
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