$\"\"$

The function is $\"\"$ .

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

$\"\"$

Apply Derivative of the Natural Logarithmic Function: $\"\"$ . $\"\"$

Apply quotient rule of derivatives: $\"\"$ .

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

$\"\"$

$\"\"$ .

$\"\"$

$\"\"$ .