NCERT Exercise 9.4 Q7 - Differential Equations
Question: Show that [x cos(y/x) + y sin(y/x)] y dx = [y sin(y/x) - x cos(y/x)] x dy is homogeneous and solve it.
Answer: x y cos(y/x) = C.
Full step-by-step NCERT solution with diagrams on Something by Zero.