$\"\"$

The function is $\"\"$ .

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

$\"\"$ .

$\"\"$

$\"\"$ .

Find the relative extrema by equating $\"\"$ .

$\"\"$ .

$\"\"$ , $\"\"$ and $\"\"$ .

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

$\"\"$ .

$\"\"$ . \ \

The relative extrema point is $\"\"$ .

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

$\"\"$ .

The relative extrema point is $\"\"$ . \ \

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

$\"\"$ .

The relative extrema point is $\"\"$ .

$\"\"$

Determine the relative extrema, using second derivative test.

Apply second derivative with respect to $\"\"$ .

$\"\"$

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

$\"\"$

The relative maximum at $\"\"$ and $\"\"$ .

The relative minimum at $\"\"$ .