Step 1:

The function is $\"\"$ .

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

$\"\"$

Use power rule combined with the chain rule of derivative : $\"\"$ .

$\"\"$

Step 2:

The function is $\"\"$ .

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

$\"\"$ .

Use exponential rule combined with chain rule of derivative : $\"\"$ .

$\"\"$

Solution :

$\"\"$