(a)
\Population
satisfies the differential equation
,
.
Rewrite the logistic equation as
\
Logistic differential equation with carrying capacity
is
.
Compare above equation with
.
Therefore,
and
.
Carrying capacity is
.
(b) Find
.


.
(c)
\
.
Solution of the logistic differential equation
is
,
Where
.
Here
.

Find the time when the population reaches
of the carrying capacity.
Therefore,
.



Population reaches
of the carrying capacity after
years.
(a) Carrying capacity is
.
(b)
.
(c) Population reaches
of the carrying capacity after
years.