Does lim x-> -2 (3x2+ax+a+3)/(x2+x-2) exist?
If so, find the limit.
The Attempt at a Solution
I've tried factorizing the denominator to (x+2)(x-1), but then I don't know how to proceed on the exercise. I have seen that the limit exists when the numerator equals 0, but why is this (the denominator is also 0)? Does 0/0 exist at all?