y=Ce−∫P(x) dx+e−∫P(x) dx∫Q(x)e∫P(x) dx dx y=Ce^{ -\int P(x) \, dx }+e^{ -\int P(x) \, dx }\int Q(x)e^{ \int P(x) \, dx } \, dx y=Ce−∫P(x)dx+e−∫P(x)dx∫Q(x)e∫P(x)dxdx
