The differential equation is
.


.
The 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
.

consider
.


. \ \
Susbtitute
and
.



Susbtitute
.

.
.