n a previous exercise we formulated a model for learning in the form of the differential equation   dP dt = k(M − P) where P(t) measures the performance of someone learning a skill after a training time t, M is the maximum level of performance, and k is a positive constant. Solve this differential equation to find an expression for  P(t).  (Use P for P(t). Assume that P(0) = 0.)

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