I have a problem with my homework:
1. prove only by the defenition of the limit that
Thanks ahead
Are you allowed to use L'Hospital's Rule?
If so, it's very easy...
.
Without L'Hospital, not so easy...
All I can think of is the Sandwich Theorem, but I can't think of what to sandwich it inside.
I know that .
We just need to find something that is less than or equal to...