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Student Support Forum: 'exact form for (-1)^(m/n)' topicStudent Support Forum > General > "exact form for (-1)^(m/n)"

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daniel
12/14/08 1:15pm

many times the output for a function is given in terms of rational powers of negative one. is there a way to take these powers and make them have an exponent of one? for example, (-1)^(2/3)==.5+Sqrt[3]/2, and this can be confirmed with SetPrecision, but is there a way to do it without recognizing common fractions?
thanks.

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Author Date Posted
exact form for (-1)^(m/n) daniel 12/14/08 1:15pm
Re: exact form for (-1)^(m/n) yehuda ben-s... 12/15/08 10:00am
Re: Re: exact form for (-1)^(m/n) daniel 12/16/08 09:13am
Re: exact form for (-1)^(m/n) dan 12/29/08 02:43am
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