Consider xy' = y(lnx-lny) with y(1) = 4. Using Runge-Kutta method with h=0.1, the k3 in the computation of y(1.4) is of the form 4 In (²). Compute In (). (a) - 0.77006 (b)-0.77600 (c) - 0.70706 (d) -0.70067

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