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Transverse common tangents are drawn fro...

Transverse common tangents are drawn from O to the two circles `C_1,C_2` with 4, 2 respectively. Then the ratio of the areas of triangles formed by the tangents drawn from O to the circles `C_1 and C_2` and chord of contacts of O w.r.t the circles `C_1 and C_2` respectively is

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