$\"\"$

\

The differential equation is $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

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

\

The differential equation is a first order linear differential equation.

\

Solution of the first order linear differential equation is $\"\"$ is $\"\"$ .

\

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

\

Find $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

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

\

Substitute $\"\"$ and $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .