Concept explainers
In a study of the spread of illicit drug use from an enthusiastic user to a population of N users, the authors model the number of expected new users by the equation
where c, k and λ are positive constants. Evaluate this integral to express γ in terms of c, N, k, and λ.
Source: F. Hoppensteadt et al., “Threshold Analysis of a Drug Use Epidemic Model,” Mathematical Biosciences 53 (1981): 79–87.
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