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A circle S passes through the point (0, ...

A circle S passes through the point (0, 1) and is orthogonal to the circles `(x - 1)^2 +y^2=16` and ` x^2+y^2=1`. Then

A

radius of S is 8

B

radius of S is 7

C

centre of S is (-7, 1)

D

centre of S is (- 8, 1)

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The correct Answer is:
B, C
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