On Mon, Jul 16, 2012 at 11:13 PM, Albert Thuswaldner
<albert.thuswaldner@gmail.com> wrote:
Sorry, It was a long time since I went to the university, but I if I'm
correct you want to calculate:
(-27)^(1/3) (note it is the same as 3x(-1)^(1/3) which to my mind
results in an complex number (not -3) thus the #VALUE!.
just to double check:
http://www.wolframalpha.com/input/?i=%28-27%29^%281%2F3%29&lk=4
Well, in fact, there're 3 roots, one of which is -3:
http://www.wolframalpha.com/input/?i=-27%3D%3Da^3
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