/ 2\ | x | lim |x - --| x->0+\ 3 /
Limit(x - x^2/3, x, 0)
0
= 4.08332525757244e-32
/ 2\ | x | lim |x - --| x->0-\ 3 /
= 2.37204674210006e-32
4.08332525757244e-32