1
lim ------
x->1+ 3
1 - x
Limit(1/(1 - x^3), x, 1)
1
lim ------
x->1+ 3
1 - x
-oo
= -50.0014668080224
1
lim ------
x->1- 3
1 - x
oo
= 50.6681432208503
= 50.6681432208503