Math Chapter Wise Ordinary And Partial Differential Equations, Integral Equations And Calculus Of Variations English MCQ UKPSC Lecturer (Mains) 2020 Q.The solution of Euler's equation for the functional 1 0 x (y')y'd + ∫ x x is: Ay = x2 + c1 x + c2 By= 2 4 − x + c1 x + c2 Cy 3 1 2 c c 3 = + + x Dy 2 1 2 c c 4 = + + x where c1 and c2 are arbitrary constants. Show answer Correct answer: y= 2 4 − x + c1 x + c2