l'hospitals rule can be used for which kind of indeterminant forms.

l'hospitals rule is applicable for limit tending to 0 and the expression is of the form 0/0 or ∞/∞ ... 

however, other in-determinate forms can be converted into the above two forms...

It can be used for 0/0 form or ∞/∞ form.,.,.

indeterminate forms, such as

 1^∞, 0⁰, ∞⁰, 0·∞, and ∞ − ∞, can sometimes be evaluated using l'Hôpital's rule..

approve if u like it