\"\"

\

The expression is \"\".

\

Simplify the expression.

\

\"\"                (Original expression)

\

\"\"           (Rewrite the expression)

\

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

\

\"\"                 (Subtract powers)

\

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

\

\"\"

\

\"\"

\

The simplified expression value is \"\".