1. [15] a) Show that the differential equation (xy + y² + x²)dx − x²dy = 0 is not exact. b) Use the substitution y = xv
Posted: Tue Jul 12, 2022 12:53 pm
1. [15] a) Show that the differential equation (xy + y² + x²)dx − x²dy = 0 is not exact. b) Use the substitution y = xv to rewrite the differential equation in separable form and solve. Give an implicit solution.