1)

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Step 1:

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The function $\"\"$ .

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Differentiate on each side with respect to $\"\"$ .

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$\"\"$ .

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Product rule of derivatives: $\"\"$ .

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$\"\"$

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Power rule of derivatives: $\"\"$ and $\"\"$ .

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$\"\"$

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Step 2:

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The function is $\"\"$ .

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Differentiate on each side with respect to $\"\"$ .

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$\"\"$ .

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Quotient rule of derivatives $\"\"$ .

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$\"\"$

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Power rule of derivatives: $\"\"$ and $\"\"$ .

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$\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Power rule of derivatives: $\"\"$ and $\"\"$ .

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$\"\"$

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Step 3:

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The function $\"\"$ .

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Differentiate on each side with respect to $\"\"$ .

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$\"\"$ .

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Derivative of logarithm function : $\"\"$ .

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$\"\"$

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$\"\"$

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Step 4:

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The function is $\"\"$ .

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Differentiate on each side with respect to $\"\"$ .

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$\"\"$ .

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Power rule of derivatives $\"\"$ .

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$\"\"$

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Derivative of $\"\"$ : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ Solution:

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$\"\"$ .

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$\"\"$