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Contest [swordfish #4]: Find equation of tangents' mid point
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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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God is real, unless declared as Integer!! Lead... Follow... or get out of the way... IIT-Delhi. 1997 |
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