Let be a positive differentiable function on Prove that exists and is non-zero for each x.
Follow Math Help Forum on Facebook and Google+
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 03:24 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 06:06 PM.
View Tag Cloud