Question

$\lim_{x\to \11} ((x-1)/(x^2-1))$

Answer 1

$\lim_{x \to \11} \frac{x-1}{x^{2}-1 }= \lim_{x \to \11} \frac{x-1}{(x-1)*(x+1)}= \lim_{x \to \11} \frac{1}{x+1}=\frac{1}{1+1} = \frac{1}{2}$