The solution of the differential equation is
.
(a) Show that the differential equation is
.

Apply derivative on each side with respect to
.




Substitute
.

.
The differential equation is
.
(b)
\Graph the family of equations
to
:

(c) Find the solution of the differential equation satisfies the initial condition
.
The solution of the differential equation is
.
The initial condition is
.
Substitute
in
.

.
Substitute
in
.
.
(d) Find the solution of the differential equation satisfies the initial condition
.
The solution of the differential equation is
.
The initial condition is
.
Substitute
in
.


.
Substitute
in
.
.
(a) The differential equation is
.
(b) Graph of the family of equations
to
.

(c)
.
(d)
.