Prove that
ƒ(x) = is discontinuous at x=2
LHL: =
=4
RHL: =
f(2)=2
Since, f(2)
f is discontinuous at x=2.
is discontinuous at x=2
=
=
f(2)
f is discontinuous at x=2.is discontinuous at x=2 = = f(2) f is discontinuous at x=2.