My unsuccessful attempt:
Integration by parts:
Using "liate":
Using L'Hopital on the limit I get that the limit is equal to 0. So...
I use integration by parts again and I get...
The answer is supposed to be
Where did I go wrong?
My unsuccessful attempt:
Integration by parts:
Using "liate":
Using L'Hopital on the limit I get that the limit is equal to 0. So...
I use integration by parts again and I get...
The answer is supposed to be
Where did I go wrong?