(10).

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The equation is $\"\"$ .

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Differentiate with respect to x.

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Apply Product Rule of derivative: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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(11).

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Substitute $\"\"$ in the above equation.

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$\"\"$

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$\"\"$

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(12).

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The expression is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

\

$\"\"$

\

$\"\"$

\

Differentiate with respect to x.

\

Apply Product Rule of derivative: $\"\"$ .

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$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

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$\"\"$