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If tangent at (1, 2) to the circle `C_1: x^2+y^2= 5` intersects the circle `C_2: x^2 + y^2 = 9` at A and B and tangents at A and B to the second circle meet at point C, then the co- ordinates of C are given by

A

`(4, -5)`

B

`((3)/(5),(6)/(5))`

C

`(4, 5)`

D

`((9)/(5), (18)/(5))`

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The correct Answer is:
D
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