$\"\"$

The expression is $\"\"$ .

For any real number b and for any positive integer n, $\"\"$ .

$\"\"$

$\"\"$ (Apply Power of a power property: $\"\"$ )

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

Apply product of a power property: $\"\"$ .

$\"\"$

For any real number b and for any positive integer n, $\"\"$ .

$\"\"$

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

Apply Product property of radicals: $\"\"$ .

$\"\"$

$\"\"$ \

$\"\"$

The simplified expression is $\"\"$ .