The given expression is .

=                     (Write the expression)

=                     (Apply power of a product property )

=           (Apply negative exponent property )

=           (Apply power of a power and power of a product properties)

=                   (Apply power of a power property )

=              (Apply negative exponent property )

=                     (Apply quotient of powers and product of powers properties)

=                           (Simplify)

The simplified expression is .