(a)
\The differential equation is
and the point is
.

Apply integral on each side.
\
.
Graph the function
for different value of
.
If
then
.
If
then
.
(b)
\Find the value of
, substitute
in
.


.
Substitute
in
.
The particular solution is 
.
Graph the function
:

(a) Graph :
.
(b) Graph of particular solution
.
.