If a circle C, whose radius is 3, touche...

If a circle C, whose radius is 3, touches externally the circle, `x^(2) +y^(2)+2x - 4y - 4=0` at the point ( 2,3) ,then the length of intercept cut by this circle C, the x-axis is equal to `:`

A

`2 sqrt(3)`

B

`3sqrt(2)`

C

` sqrt( 5)`

D

`2 sqrt( 5)`

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The correct Answer is:

D

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