IIT JEE 2009 P2 Q36

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The centres of two circles C1 and C2 each of unit radius are at a distance of 6 units from each other. Let P be the mid point of the line segment joining the centres of C1 and C2 and C be a circle touching circles C1 and C2 externally.

If a common tangent to C1 and C passing through P is also a common tangent to C2 and C ,then the radius of the circle C is..

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Honey Arora ·2009-04-12 08:31:56

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kanika Goel ·2009-04-12 08:35:37

i dont know...but i got 4

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Dr.House ·2009-04-12 09:24:32

well, kanka you get 4 if u take that the centres f the 3 corcles are collinear. (i am not sure if thats rite answer)

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ANKIT GOYAL ·2009-04-12 09:59:41

pls post the sol

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Ghosty ·2009-04-12 10:18:59

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Â°áƒ¦â€¢à¹“ÑÏ…Î ·2009-04-12 10:38:29

8 quite sure

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Celestine preetham ·2009-04-12 11:16:34

got 8

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Basic Integral Calculus Operators Symbols Matrix Cases

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IIT JEE 2009 P2 Q36

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