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annoymage
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Homework Statement
if n>1, prove that [tex]\sqrt[n]{n}[/tex] irrational
Homework Equations
n/a
The Attempt at a Solution
so suppose it is rational, so i know [tex]\sqrt[n]{n}[/tex] must be integer, say p
then [tex]n=p^n[/tex] and how do i prove this is not true??
i can prove if p>1 then [tex]p^n>n[/tex] for all n>1 by induction, and when p=1 its clearly contradiction, so i don't know the case when p<1
or rather someone have other easy way to prove the question? clue please T_T
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