The function is $\"\"$ .

All possible values of $\"\"$ is domain of a function.

The denominator of the function should not be zero.

$\"\"$

$\"\"$ and $\"\"$

$\"\"$ and $\"\"$ .

Hence, the domain of function is set of all real numbers except $\"\"$ and $\"\"$ .

The domain of the function is $\"\"$ .

$\"\"$

The domain of the function is $\"\"$ .