$\"\"$

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The function is $\"\"$ and the point is $\"\"$ .

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$\"\"$

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Apply derivative on each side with respect to $\"\"$ .

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$\"\"$

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Apply formula: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$

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Again apply derivative on each side with respect to $\"\"$ .

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$\"\"$

\

$\"\"$

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$\"\"$

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Apply formula: $\"\"$ .

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$\"\"$

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$\"\"$ .

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The second derivative is $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

\

$\"\"$

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$\"\"$ .

\

The value of the second derivative at $\"\"$ is $\"\"$ .

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$\"\"$

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The second derivative is $\"\"$ .

\

The value of the second derivative at $\"\"$ is $\"\"$ .