$\"\"$

The function is $\"\"$ .

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

$\"\"$

Again apply derivative on each side with respect to $\"\"$ .

$\"\"$

Apply the power rule of derivative : $\"\"$ .

$\"\"$

Substitute $\"\"$ in above equation.

$\"\"$

The differential equation is $\"\"$

$\"\"$

The solution of the differential equation is $\"\"$