$\"\"$

The expression is $\"\"$ .

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

$\"\"$

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

$\"\"$

$\"\"$ (Evaluate power: $\"\"$ ) $\"\"$

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

$\"\"$

$\"\"$ (Divide: $\"\"$ )

$\"\"$

The simplified expression is $\"\"$ .