A,B,C are the centres of the three circl...

A,B,C are the centres of the three circles `C_1,C_2,C_3` such that `C_1,C_2` touch each other exernally and they both touch `C_3` from inside then the radical centre of the circles is for triangle ABC is

A

incentre

B

Excentre opposite to C

C

Excentre opposite to B

D

Excentre opposite to A

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The correct Answer is:

B

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