[kalgebra] [Bug 402637] KAlgebra produces wrong output on functions like root(x, 3) or x^(1/3)

[MatFi]

https://bugs.kde.org/show_bug.cgi?id=402637

MatFi <k...@endof.de> changed:

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--- Comment #3 from MatFi <k...@endof.de> ---
> Even wolfram shows it:
>https://www.wolframalpha.com/input/?i=%28-8%29%5E%281%2F3%29&assumption=%22%5E%22+-%3E+%22Principal%22

depends on what sort of root you want to take (real or principal)
https://www.wolframalpha.com/input/?i=%28-8%29%5E%281%2F3%29&assumption=%22%5E%22+-%3E+%22Real%22

actually the situation is described here
https://mathworld.wolfram.com/nthRoot.html

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