The logistic differential equation is .
The initial condition is .
Rewrite the differential equation as :.
The differential equation is in the form of logistic differential equation .
Here, and
.
The general form of solutions of logistic differential equation are .
Substitute and
in
.
.
The initial condition is .
Substitute in
.
.
Substitute in
.
.
The solution of logistic differential equation is .
.