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If a diameter of the circle x^(2) + y^(2...

If a diameter of the circle `x^(2) + y^(2) - 2x - 6y + 6 = 0` is a chord of another circle C having centre (2, 1), then the radius of the circle C is

A

2

B

`sqrt(3)`

C

3

D

`sqrt(5)`

Text Solution

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The correct Answer is:
C
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