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 .