Toronto Math Forum
MAT2442019F => MAT244Test & Quizzes => Quiz2 => Topic started by: Elenalwaysmiles on October 06, 2019, 03:28:59 PM

Question: x^2y^3+x(1+y^2)y'=0.Check why it's not exact, and check why it becomes exact after multiplying an integrating factor 1/(xy^3).
Solution is in the attached file.