Question

how to find the limit as n->infinity of:
(1/3)*(e^-nx)*n^2

Answer 1

are you allowed to use l'hospital?

Answer 2

\[\lim_{n \rightarrow \infty}\frac{e^{-nx} n^2}{3}=\lim_{n \rightarrow \infty}\frac{n^2}{3 e^{nx}}\]

Answer 3

since you have inf/inf
apply l'hospital

Answer 4

ah of course! Thank you.

Answer 5

np