$\"\"$

The radical $\"\"$ indicates the positive square root of $\"\"$ .

$\"\"$ (Factorize: $\"\"$ )

The radical $\"\"$ indicates the positive square root of $\"\"$ .

$\"\"$ (Factorize: $\"\"$ )

Substitute the values in the expression.

$\"\"$ $\"\"$

The square root is $\"\"$ .