$\"\"$

Rewrite the expression using product property of square roots;

For nonnegative real numbers a and b, $\"\"$

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

Rewrite the (-1) using imaginary unit; that is $\"\"$ where $\"\"$ .

$\"\"$

(Find the square root: $\"\"$ , $\"\"$ , $\"\"$ )

$\"\"$

$\"\"$ (Multiply: $\"\"$ ) \ \ $\"\"$

The simplified expression is $\"\"$ .