Prove that
ƒ(x) =is discontinuous at x=0
LHL: = -x
=0
RHL: =
f(0)=1
Since, f(0)
f is discontinuous at x=0.
is discontinuous at x=0
= -x
=
f(0)
f is discontinuous at x=0.is discontinuous at x=0 = -x = f(0) f is discontinuous at x=0.