/ 9*x \ lim |-1 + ------------| x->0+| __________| \ \/ 1 + 12*x /
Limit(-1 + (9*x)/sqrt(1 + 12*x), x, 0)
/ 9*x \ lim |-1 + ------------| x->0+| __________| \ \/ 1 + 12*x /
-1
= -1
/ 9*x \ lim |-1 + ------------| x->0-| __________| \ \/ 1 + 12*x /
-1
-1