The function is
and the boundary condition is
.
Rewrite the function.
\

The above equation is in the form of linear equation
.
Here
and
.
The integrating factor is
.
Substitute
.

Integral formula:
.


The general solution is
.
Substitute
in the above equation.

Power rule of integral :
.

.
Substitute
in the above integral function.

Subsitute
in the 

The general solution is
.
The general solution is
.