Prove: if is differentiable on the open interval and then there exists in the interval such that .

It's almost clear that I need to use Rolle's theorem, but how do I overcome the fact that the given is an open interval?

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- Jul 11th 2012, 02:55 PMloui1410Rolle's theorem and open interval
Prove: if is differentiable on the open interval and then there exists in the interval such that .

It's almost clear that I need to use Rolle's theorem, but how do I overcome the fact that the given is an open interval? - Jul 11th 2012, 04:02 PMReckonerRe: Rolle's theorem and open interval