Prove that
ƒ(x) =is discontinuous at x=0
LHL: =
=
= 0
RHL: =
f(0)=2
Since, f(0)
f is discontinuous at x=0.
is discontinuous at x=0
=
=
f(0)
f is discontinuous at x=0.is discontinuous at x=0 = = f(0) f is discontinuous at x=0.