(3) In one model of the changing population P(t) of a community it is assumed that dP dB dD dt dt dt where dB/dt and dD/dt are the birth and death rates; respectively. (i) Solve for P(t) if dB = KP and dD = KP. dt (ii) Analyse the cases K1 > K2, K1 = K2, KI < K2.

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