Math Chapter Wise Ordinary And Partial Differential Equations, Integral Equations And Calculus Of Variations English MCQ UP PCS (Pre) 1998 Q.The solution of the equations dy 1 y 0 dx 1 x + + = + is A1 + x = c (1 + y) B2 2 y x y x c 2 2 + = + + C1 + x + y + xy = c Dnone of these Show answer Correct answer: 1 + x + y + xy = c