Quote by Mark44
If the rational function you refer to is (x^{2}  1)/(x  1), the limit as x approaches 1 is NOT indeterminate.
[tex]\lim_{x \to 1}\frac{x^2  1}{x  1} = 2[/tex]

Uh....the
form is indeterminate. That is why you can use L'Hopital's Rule to find the limit.