$\"\"$

\

The expression is $\"\"$ .

\

Simplify the expression.

\

$\"\"$ (Original expression)

\

$\"\"$ (Quotient of powers: $\"\"$ )

\

$\"\"$ (Subtract powers)

\

$\"\"$ (Definition of $\"\"$ )

\

$\"\"$

\

$\"\"$

\

The simplified expression value is $\"\"$ .