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Gala2k [10]
2 years ago
11

Consider a fishery in which harvesting is taking placeat a constant rateh. The population at the fisherywill be modeled by

Mathematics
1 answer:
Mice21 [21]2 years ago
7 0

Answer:

The general solution to this differential equation is P(t) = \frac{Ke^{kt} + h}{k}

Step-by-step explanation:

We are given the following differential equation:

\frac{dP}{dt} = kP - h

Solving by separation of variables:

\frac{dP}{kP-h} = dt

Integrating both sides:

\int \frac{dP}{kP-h} = \int dt

On the left side, by substitution, u = kP - h, du = kDp, Dp = du/k. Then

\frac{1}{k} \ln{kP-h} = t + K

In which K is the constant of integration.

\ln{kP-h} = kt + K

e^{\ln{kP-h}} = e^{kt + K}

kP - h = Ke^{kt}

kP = Ke^{kt} + h

P(t) = \frac{Ke^{kt} + h}{k}

The general solution to this differential equation is P(t) = \frac{Ke^{kt} + h}{k}

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