I would feel better about this if you would show some effort yourself! In any induction problem, the "base case" is usual fairly simple.

To show the "induction" step just note that the n+1 sum is just the n sum plus .

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- Mar 14th 2009, 10:03 AM #1

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- Mar 14th 2009, 10:28 AM #2

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- Mar 14th 2009, 10:52 AM #3

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- Mar 14th 2009, 11:11 AM #4