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Question

The centre of the circle passing through (0, 0) and (1, 0) and touching the circle (x^2 + y^2 = 9\)


A

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B

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C

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D

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Solution

The correct option is B


If two circles touch and one of them passes through the centre (0, 0) of the other then they must touch

internally.

C1C2=r1r2

Also, C1C2=r2

r2=r1r2


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