matematika



Congruency n^7 - n mod 7

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Congruency n^7 - n mod 7

Postby Guest » Fri Apr 20, 2012 2:09 pm

Proove the following:

\text{For all }n\in Z,\text{ } n^7\equiv n \text{ mod } 7.

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Re: Congruency n^7 - n mod 7

Postby perfectmath » Fri Jun 29, 2012 12:26 am

This is litle Fermat !! :D
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