Math Chapter Wise Statics And Dynamics English MCQ UP PCS (Pre) 1997 Q.The intrinsic equation of the semi-cubical parabola 3ay2 = 2x3 is A() 2 9s 4a sec 1 = ψ − B() 3 9s 4a sec 1 = ψ − C() 4 9s 4a sec 1 = ψ − DNone of these Show answer Correct answer: () 3 9s 4a sec 1 = ψ −