lim log(1 - x) x->oo
Limit(log(1 - x), x, oo, dir='-')
lim log(1 - x) x->0+
0
= -7.22489922557688e-34
lim log(1 - x) x->0-
= 9.54288936740968e-30
oo
-7.22489922557688e-34