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From a point A(3,2) , tangents are drawn...

From a point A(3,2) , tangents are drawn to the circle `x^2+y^2-2x+4y-4=0` . If BC is the chord of contact of tangents , show that the line joining the midpoints of AB and AC is 4x+8y-17=0

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AAKASH SERIES-SYSTEM OF CIRCLES-Additional Exercise
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