$\"\"$

The expression is $\"\"$ .

Multiplicative Inverse: For every number $\"\"$ , where $\"\"$ there is exactly

one number $\"\"$ such that the product of $\"\"$ and $\"\"$ is 1; i.e. $\"\"$

$\"\"$ , since $\"\"$ . This is called the Multiplicative inverse property. $\"\"$

The value of n is $\"\"$ .

The property used is Multiplicative inverse property.