In Problems, write-in the manner of Eqs. (3) through (6) of this section-a differential equation that is a mathematical model of the situation described.
In a city with a fixed population of P persons, the time rate of change of the number N of those persons infected with a certain contagious disease is proportional to the product of the number who have the disease and the number who do not.
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.