Re: TI-M: TI-89 root question
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Re: TI-M: TI-89 root question
In a message dated 6/6/00 12:38:44 PM Mountain Daylight Time,
aselle@ticalc.org writes:
> Well, you can take a^(1/n) for the nth root of a, but be careful of the
> domain, I forget exactly how the calculator deals with it.
On my 85, if "a" is non-negative, it returns a real number; usually if "a" is
negative, it'll return an imaginary number, whether the true root is
imaginary or not...actually, if you *really* want the nth root*s* of "a",
you'd use deMoivre's theorem.
JayEll