Math Chapter Wise Ordinary And Partial Differential Equations, Integral Equations And Calculus Of Variations English MCQ UP PCS (Pre) 1994 Q.Solution of 2 2 (x y)dx 2xy dy 0 is– A2 2/x(x 3y ) c B2 2/x (x 3y ) c C2 2/x(3x y ) c D2 2 2/x (3x y ) c Show answer Correct answer: 2 2/x(x 3y ) c