/ ___\ |-3 + \/ x | lim |----------| x->1+| 2 | \ -9 + x /
Limit((-3 + sqrt(x))/(-9 + x^2), x, 1)
1/4
= 0.25
/ ___\ |-3 + \/ x | lim |----------| x->1-| 2 | \ -9 + x /
0.25