order4dMENYALA DI ORDER4D OM ☕ ORDER4D. ... I've listened endlessly to your injury you want to talk about your sores want to talk about suffering maybe sympathy isWe can solve a second order differential equation of the type: d 2 ydx 2 + P(x) dydx + Q(x)y = f(x). where P(x), Q(x) and f(x) are functions of x, by using: Undetermined Coefficients which only