1. Find the limit. (If you need to use - or , enter -INFINITY or INFINITY.)
2. Find the limit. (If you need to use - or , enter -INFINITY or INFINITY.)
lost
If you showed all your work we would have a better idea of where you're going wrong.
As for the second, I'd be inclinded to substitute and then consider . Now divide the numerator and denominator by and then take the limit. Again, if you show all your working first your mistakes (if any) can be pointed out.