$\"\"$

The function is $\"\"$ and the differentail equation is $\"\"$ .

$\"\"$ .

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

$\"\"$

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

$\"\"$

The differentail equation is $\"\"$ .

Consider $\"\"$ .

Substitute the results of $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$

$\"\"$ .

$\"\"$

$\"\"$ .