if xm yn = (x+y)m+n show that dy/dx= y/x and find d2y/dx2 plzzz help !! Share with your friends Share 42 Manish Bharti answered this 133 View Full Answer Arshad Ibrahimi answered this y''=(y1.x-y) / (x2) (By u/v differentiation but during integration of Nr i.e y will result y1) 7