$\"\"$

The rational function is $\"\"$ .

Rewrite the rational function is $\"\"$

$\"\"$

Find the domain :

Equate the denominator of the function to zero.

$\"\"$

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

The rational function is defined for all real numbers except $\"\"$ and $\"\"$ .

The domain is $\"\"$ .

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

$\"\"$

The domain is $\"\"$ .