Question

limit question, what is the next step?

Answer 1

\[xe^{x}=\frac{x}{e^{-x}}\]

Answer 2

\[\lim_{x \rightarrow -\infty}\frac{x}{e^{-x}}\]
top goes to -inf
bot goes to inf
use l'hosptial

Answer 3

I see, thank you