$\"\"$

The expression is $\"\"$ .

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

$\"\"$ (Cancel the common terms)

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

$\"\"$ (Factorised form of $\"\"$ and $\"\"$ )

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

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

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

$\"\"$ .

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

$\"\"$ .