/ 3 \ | x | lim |------| x->1+| 2| \1 - x /
Limit(x^3/(1 - x^2), x, 1)
False
= -oo
-oo
= -76.755797434048
/ 3 \ | x | lim |------| x->1-| 2| \1 - x /
oo
= 74.2557919517722
-76.755797434048