$\"\"$

The equation is $\"\"$ .

Rewrite the function.

$\"\"$

The above equation is in the form of linear equation $\"\"$ .

Here $\"\"$ and $\"\"$

The integrating factor is $\"\"$ .

Substitute $\"\"$ in the above integrate formula.

$\"\"$

The general solution is $\"\"$ .

Substitute $\"\"$ .

$\"\"$

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

The option is $\"\"$ .

$\"\"$

The option is $\"\"$ .