That is correct. It cannot be factored in that way.
[URL="[QUOTE=HallsofIvy;794322]First obvious step is to factor out . I would then factor out so this becomes . Now, do you know the limit definition of "e"?[/QUOTE]"
Look at this link.
http://www.wolframalpha.com/input/?i...9%2F%28x%29%29
Please look at this page.
NOTE you have
On the wolfram page l'Hospitial's rule gives