$\"\"$

The rational function is $\"\"$ .

Rewrite the rational function is $\"\"$

$\"\"$

Find the domain :

The function denominator is equal to zero.

$\"\"$

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

The rational function of the domain is all real numbers except $\"\"$ and $\"\"$ .

The domain define as $\"\"$ .

The rational function is $\"\"$ , Hence the domain is $\"\"$ . \ \ $\"\"$

The domain is $\"\"$ .