Question

The solution of the differential equation (3xy + y²)dx + (x² + xy)dy = 0 is

(A) x²(2xy + y²) = c²

(B) x²(2xy - y²) = c²

(C) x²(y² - 2xy) = c²

(D) None of these

Answer 1

Answer is (A) x²(2xy + y²) = c²

 It can be written in the form of homogeneous equation

Hence, the required solution is x²(2xy + y²) = c²