The function is
.
The domain of a function is all values of
.
Denominator of the function should not be the zero.
\


\

and
and
.
The function
is discontinuous at
and
.
The function is
.
Factorize the denominator.
\

Cancel common terms.
\
Removable discontinuity is at
.
Non removable Discontinuity is at
.
Non removable Discontinuity is at
.
Removable discontinuity is at
.