Deduce that

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- Aug 7th 2011, 05:52 AMPunchDeduce
Deduce that

- Aug 7th 2011, 06:16 AMalexmahoneRe: Deduce
Since the question says deduce, I'm not sure if a solution that involves induction is acceptable.

Anyway, using induction,

We will need to prove:

which is true. - Aug 7th 2011, 10:19 AMCaptainBlackRe: Deduce