Let be a positive differentiable function on Prove that exists and is non-zero for each x.
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Originally Posted by fardeen_gen Let be a positive differentiable function on Prove that exists and is non-zero for each x. i will give you a hint... my problem is that i dont know latex...
Last edited by josipive; May 14th 2009 at 04:24 AM.
Then note that So And we know that Hence And thus the limit is
The limit is of the type (Using L'Hospital's Rule) =
Last edited by pankaj; May 14th 2009 at 07:06 PM.
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