Math Chapter Wise Ordinary And Partial Differential Equations, Integral Equations And Calculus Of Variations English MCQ TGT 2001 Q.(()) dy sec x y dx = + = + solution is: Ax y y tan c 2 + + = Bx y y tan c 2 + − = Cx y y tan c 2 − − = DNone of these Show answer Correct answer: x y y tan c 2 + − =