/ 4\ |-1 + x | lim |-------| x->0+| 3| \-1 + x /
Limit((-1 + x^4)/(-1 + x^3), x, 0)
1
= 1.0
/ 4\ |-1 + x | lim |-------| x->0-| 3| \-1 + x /
1.0