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Equation OI DCT IS24***13. Find the transverse common tangents of thecirclesx2 + y2 - 4x - 10y + 28 = 0 andx² + y² + 4x – 6y+4=0(Mar-2017, 2014, 2013, 2008, 2005)​

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Answer:

Method 1 : First find point of intersection of tangents by section FORMULA. USE (T)^2=(S)*(S1) to get the equation of pair of tangents and then solve it to get two EQUATIONS separately. ...

Method 2 : Assume the point of intersection of COMMON tangents to be P(h, k). And then form equation of tangent as (y-k) =m(x-h).

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