I am having trouble calculating the following limit
I know that is equal to , but what do I do with ?
I would appreciate any help.
Thank you very much guys for your responses!
Using l'Hospital's rule would of course be possible, but it does render the numerator of the fraction a bit ugly, thus I don't think that using l'Hospital's rule was the original intention.
I did the expansion by and simplified the numerator, but I have to admit that I got stuck again at this point: