Prove that if and , then

,

.

I'm not looking for a complete solution, just a hint as to where to begin.

Thanks.

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- Jul 11th 2011, 08:35 AMRogueDemonSpivak's Calculus Question
Prove that if and , then

,

.

I'm not looking for a complete solution, just a hint as to where to begin.

Thanks. - Jul 11th 2011, 09:07 AMPlatoRe: Spivak's Calculus Question
- Jul 11th 2011, 09:48 AMRogueDemonRe: Spivak's Calculus Question
Will the following identity be of any use in completing the proof?

- Jul 11th 2011, 09:51 AMPlatoRe: Spivak's Calculus Question
- Jul 11th 2011, 10:57 AMRogueDemonRe: Spivak's Calculus Question
This is what I've got so far:

Any idea as to how to turn the into a simple ? Am I even on the right track? - Jul 11th 2011, 11:13 AMPlatoRe: Spivak's Calculus Question
Given that then