/ 1 + x \ lim |-------| x->1+| 2| \-1 + x /
Limit((1 + x)/(-1 + x^2), x, 1)
False
= oo
oo
= 151.0
/ 1 + x \ lim |-------| x->1-| 2| \-1 + x /
-oo
= -151.0
151.0