I got to proof that

is dividable by 5 for n >= 0, n in Natural numbers..n^5 - n

And that by Induction..

The "skelet" was succesfull, now I got to proof that

P(i) => P(i+1)

..

Any ideas?

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- Nov 26th 2009, 07:31 AM #1

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- Nov 26th 2009, 07:11 PM #9