$\"\"$

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The function is $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ (Using product rule: $\"\"$ )

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$\"\"$ (Rewrite the expression)

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$\"\"$ (Using the power rule: $\"\"$ )

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$\"\"$ (Substitute $\"\"$ and $\"\"$ )

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$\"\"$

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$\"\"$

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$\"\"$ $\"\"$

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Therefore $\"\"$ .