$\"\"$

\

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

\

$\"\"$

\

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

\

$\"\"$

\

Apply formula: $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$

\

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

\

$\"\"$

\

$\"\"$

\

Apply product rule of differentiation: $\"\"$ .

\

In this case $\"\"$ and $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

The second derivative is $\"\"$ .

\

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

\

$\"\"$

\

$\"\"$ .

\

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

\

$\"\"$

\

The second derivative is $\"\"$ .

\

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