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[Post New]18 Nov 2006 03:16:23 IST
    Subject: Contest [swordfish #4]: Find equation of tangents' mid point
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Olaaa!! Perrrfect answer. 199  [253 rates]
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 From a point P (x1 , y1 ), tangents PA and PB are drawn to the circle x2 +y2 +2gx +2fy +c = 0
If P' and Q' are mid points of PA and PB respectively, find the equation of P'Q'.
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