
Available under Creative Commons-ShareAlike 4.0 International License.
In the following example, we have to use l'H^opital's rule twice before we get an answer.
Example
Evaluate
Applying l’Hopital’s rule gives
which still produces 0/0 when we plug in . Going again, we
get
The reason that this always works is outlined in Proofs of the generalizations of l’Hoˆ pital’s rule.
- 2454 reads