/ 3\ lim log\1 + x / x->-1+
Limit(log(1 + x^3), x, -1)
-oo
= -3.92529737427031
/ 3\ lim log\1 + x / x->-1-
= (-7.75050545497779 + 3.14159265358979j)
-3.92529737427031