The function is .
Derivative of a function is defined as
.
Apply derivative of the function.
\.
The function is not defined when denominator is equal to zero.
\Thus the function is not defined at .
Therefore domain of the function is
.
The function is not defined when denominator is equal to zero.
\Thus the function is not defined at .
Therefore domain of the function is
.
\
.
The domain of the function is
.
The domain of the function is
.