? Example 10.28. Solve the differential equations q117 dy dz = 1 + XZ, dx dx - xy for x = 0.3, using fourth order Runge-Kuta method. Intial values are x = 0, y = 0, 2 = 1. ? Example 10.28. Solve the differential equations q117 dy dz = 1 + XZ, dx dx - xy for x = 0.3, using fourth order Runge-Kuta method. Intial values are x = 0, y = 0, 2 = 1