Math Chapter Wise Conic Section English MCQ UP PCS (Pre) 2001 Q.The centre of the sphere passing through the points (1, 0, 0), (0, 2, 0), (0, 0, 1) is: A1 2 1,, 3 3 3 B4 2 4,, 9 9 9 C2 10 2,, 9 9 9 D5 8 5,, 18 9 18 Show answer Correct answer: 1 2 1,, 3 3 3