/ x \ lim |--------| x->0+| 2| \6 + 6*x /
Limit(x/(6 + 6*x^2), x, 0)
= 0
0
= -1.07611457689183e-32
/ x \ lim |--------| x->0-| 2| \6 + 6*x /
= 1.07611457689183e-32
-1.07611457689183e-32