lim_(h->0^-) (e^(x+h)/((x+h)^2-1)-e^(x+h)/(x^2-1))/h = -(2 e^x x)/(x^2-1)^2(adsbygoogle = window.adsbygoogle || []).push({});

I know how to differentiate the expression using the quotient rule; however, I want to use the limit definition of a derivative to practice it more.This desire to practice led me into a trap! Now I just can't simplify the expression...

PLEASE give a thorough, step by step explanation. Thanks!

Here is a link to wolfram with the function

https://www.wolframalpha.com/input/...or"}&rawformassumption={"MC",""}->{"Formula"}

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# I Can someone please help me simplify this expression....

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