Let x = 0+h for x tending to 0⁺

Since x→ 0, h also tends to 0

Right Hand Limit(R.H.L.):

=

=

Let x=0 -h for x tending to 0^-

Since x→0, h also tends to 0.

Left Hand Limit(L.H.L.):

=

= - ∞

Since,

Thus, does not exist.