$\"\"$

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The expression is $\"\"$ .

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

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$\"\"$

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$\"\"$

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$\"\"$

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

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$\"\"$

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$\"\"$ (Apply Formula : $\"\"$ )

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$\"\"$

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For any real number b and for any power of negative integer n, $\"\"$ .

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$\"\"$

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$\"\"$

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Multiply numerator and denominator by $\"\"$ .

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$\"\"$

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

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$\"\"$

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$\"\"$

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$\"\"$

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The simplified expression is $\"\"$ .