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## Homework Statement

Prove by induction that for an integer n where n>1 , http://img3.imageshack.us/img3/5642/prob1q.jpg [Broken]

## Homework Equations

## The Attempt at a Solution

Prove P(2) is true

then prove P(x) = P(x+1) is true, then it's true for all x

That's all I really from proof by induction. It's just not very intuitive to me at all.

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