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C1 and C2 are circle of unit radius with...

`C_1` and `C_2` are circle of unit radius with centers at (0, 0) and (1, 0), respectively, `C_3` is a circle of unit radius. It passes through the centers of the circles `C_1a n dC_2` and has its center above the x-axis. Find the equation of the common tangent to `C_1a n dC_3` which does not pass through `C_2dot`

A

`x - sqrt3 y + 2 =0`

B

`sqrt3 x -y + 2=0`

C

`sqrt3 x -y -2 =0`

D

`x + sqrt3 y + 2 =0`

Text Solution

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The correct Answer is:
B
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