AIEEE 2004

JEE Main 2004 Mathematics question on Circles

If one of the diameters of the circle x2+y2−2x−6y+6=0x^2 + y^2 - 2x - 6y + 6 = 0 is a chord to the circle with centre (2,1)(2, 1), then the radius of the circle is
  1. A.
    3\sqrt{3}
  2. B.
    2\sqrt{2}
  3. C.
    33
  4. D.
    22
Show answer

Correct option: C

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