Math Chapter Wise Ordinary And Partial Differential Equations, Integral Equations And Calculus Of Variations English MCQ UP PGT-2016 (02-02-2019) Q.If a and b are arbitrary constants, then the partial differential equation of z =ax+a2 y2 +b is Aq=2py Bp=2q2 y Cq=2p2 y Dp=xq2 Show answer Correct answer: q=2p2 y