$\"\"$

The function is $\"\"$ .

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

$\"\"$

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

$\"\"$

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

$\"\"$

$\"\"$ .

$\"\"$

Observe the graph.

First derivative is $\"\"$ .

Second derivative is $\"\"$ .

Third derivative is $\"\"$ .

Similarly $\"\"$ derivative is $\"\"$ .

$\"\"$

$\"\"$ .