# Thread: lhopital rule

1. ## lhopital rule

what is l`hopital rule and when can we apply it in differentiation?

2. ## L'Hopitals rule

Hello,

L'Hopitals rule may be used to find "problematic" limits. For instance the limit of fractions where the numerator and denominator both tend towards 0 or infinity.

Try this: L'Hôpital's rule - Wikipedia, the free encyclopedia

3. ## thanks

Originally Posted by surjective
Hello,

L'Hopitals rule may be used to find "problematic" limits. For instance the limit of fractions where the numerator and denominator both tend towards 0 or infinity.

Try this: L'Hôpital's rule - Wikipedia, the free encyclopedia
thanks ,
i understood it,

4. ## then

what will happen if i use l'hopitals rule if a limit is not tending to zero or infinity and giving a integral value??