Question

Please help. How do I get this into a form that I can use L'Hopitals rule?
lim as x->oo (1+4/x)^{x/7}

Answer 1

\[\lim_{x \rightarrow oo}=(1+4/x)^{x/7}\]

Answer 2

I have been trying to take the natural log but that is still not giving me an indeterminate form