Math Chapter Wise Ordinary And Partial Differential Equations, Integral Equations And Calculus Of Variations English MCQ UPPSC Polytechnic Lecturer 2021(II) Q.The solution of pq = k, where k is constant and p = ∂ ∂ z z,q =, x y is – Az = a (x + y) + b Bz = ax + by + c Cz = x + ay + b Dz = ax+ k a y + c Show answer Correct answer: z = ax+ k a y + c