/ 2 3\ |-1 + x + x + x | lim |----------------| x->-1+| 4 | \ -1 + x /
Limit((-1 + x + x^2 + x^3)/(-1 + x^4), x, -1)
False
= oo
/ 2 3\ |-1 + x + x + x | lim |----------------| x->-1+| 4 | \ -1 + x /
oo
= 75.7524916576834
/ 2 3\ |-1 + x + x + x | lim |----------------| x->-1-| 4 | \ -1 + x /
-oo
= -75.2524752115774
= -75.2524752115774