$\"\"$

The expression is $\"\"$ .

$\"\"$ (Quotient property of square roots: $\"\"$ ) \ \

$\"\"$ (Evalute powers: $\"\"$ and $\"\"$ )

$\"\"$ (Product property of square roots: $\"\"$ )

$\"\"$ (Substitute: $\"\"$ )

$\"\"$ .

Therefore, the simplified of expression is $\"\"$ . $\"\"$

$\"\"$ .