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For the circles S1: x^2 + y^2-4x-6y-12 =...

For the circles `S_1: x^2 + y^2-4x-6y-12 = 0` and `S_2 : x^2 + y^2 + 6x + 4y-12=0` and the line `L.:x+y=0` (A) L is common tangent of `S_1` and `S_2` (B) L is common chord of `S_1` and `S_2` (C) L is radical axis of `S_1` and `S_2` (D) L is perpendicular to the line joining the cente of `S_1` & `S_2`

A

L is common tangent of `S_(1)` and `S_(2)`

B

L is common chord of `S_(1)` and `S_(2)`

C

L is radical axis of `S_(1)` &`S_(2)`

D

L is Perpendicular to the line joining the centre of `S_(1)` & `S_(2)`

Text Solution

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The correct Answer is:
B, C, D
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