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Three circles touch one-another external...

Three circles touch one-another externally. The tangents at their points of contact meet at a point whose distance from a point of contact is 4. Find the ratio of the product of the radii to the sum of the radii of circles.

A

`16:1`

B

`1:16`

C

`8:1`

D

None of these

Text Solution

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The correct Answer is:
A
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