Math Chapter Wise Sphere, Cone And Cylinder English MCQ UP PCS (Pre) 1996 Q.The vertex of the cone 2 2 2 2x 2y 7z 10yz 10zx 2x 2y 26z 17 0, is– A(2,2,1) B(2,1,1) C(1,1,1) DNone of these Show answer Correct answer: (2,2,1)