$\"\"$

The differential equation is $\"\"$ .

$\"\"$

Apply integration on each side.

$\"\"$

Let $\"\"$ , then $\"\"$ .

$\"\"$

Apply the formula : $\"\"$ .

$\"\"$

Substitute $\"\"$ and $\"\"$ in the above equation.

$\"\"$

Therefore, the general solution of differential equation $\"\"$ is $\"\"$ .

$\"\"$

The general solution of differential equation $\"\"$ is $\"\"$ .