Prove that
ƒ(x) = 
is discontinuous at x=0
LHL: 
=
= 3
[
= n]
RHL: 
=
= 3
f(0)=1
Since, 
f(0)
f is discontinuous at x=0.
1
Prove that
ƒ(x) = is discontinuous at x=0
LHL: =
= 3
[ = n]
RHL: =
= 3
f(0)=1
Since, f(0)
f is discontinuous at x=0.