Math Chapter Wise Ordinary And Partial Differential Equations, Integral Equations And Calculus Of Variations English MCQ UP PCS (Pre) 2003 Q.Which of the following differential equations is linear: An/y yy y 0 Bn/y sin y 0 Cn/y y ysin x 0 Dn/y y y 0 Show answer Correct answer: n/y y ysin x 0