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#1 2009-01-09 05:09:14

Syed Arsalan
Guest

Mathematical Induction

Prove by mathematical induction that   n² -1 is divisible by 8, when n is an odd positive integer.

#2 2009-01-09 05:16:17

Daniel123
Member
Registered: 2007-05-23
Posts: 663

Re: Mathematical Induction

Eurgh, why do this by induction. Just let n = 2k + 1.

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