/ 3 \ | x | lim |--------| x->3+\-9 + 3*x/
Limit(x^3/(-9 + 3*x), x, 3)
False
= oo
oo
= 1368.01988216891
/ 3 \ | x | lim |--------| x->3-\-9 + 3*x/
-oo
= -1350.01985293043
1368.01988216891