# How do you identify all vertical asymptotes for f(x)=(3x^2)/(x^2-1)?

Jan 14, 2017

$\text{vertical asymptotes at } x = \pm 1$
solve : ${x}^{2} - 1 = 0 \Rightarrow {x}^{2} = 1 \Rightarrow x = \pm 1$
$\Rightarrow x = - 1 \text{ and " x=1" are the asymptotes}$