How can x^0 be equal to 1?

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neutrino said:
[tex]1 = \frac{a^n}{a^n} = a^{n-n} = a^0[/tex]


What could be more simpler than that?

I think this actually proves it the previous once doesn't really prove it, because you'd need the information above for it. Besides this is such a simple proof and anyone can understand it.
 

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