If exists, find and the limit.
EDIT: It has to be . Nice book I have *Dripping in sarcasm* And I agree with the finite part of course.
then the limit doesn't exist. other cases that i'd say the limit doesn't exist, are limits like: or etc. enough about lecturing you! haha
to answer your question, we have it's clear now that the limit would be infinity unless and for the limit is -1.