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Circle (s) touching x - axis at a distan...

Circle (s) touching x - axis at a distance 3 from the origin and having an intercept of length `2sqrt(7)` on y - axis is (are)

A

`x^(2)+y^(2) - 6x + 8y +9 =0`

B

` x^(2) +y^(2) -6x +7y +9=0`

C

`x^(2)+y^(2) -6x - 8y +9 =0`

D

` x^(2) +y^(2)-6x -7y +9`

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AC
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