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Circle

Section: Mathematics

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Question : 20

Total: 27

The locus of the mid–point of the chord of contact of tangents drawn from points lying on the straight line 4x – 5y = 20 to the circle x2+y2 = 9 is

[JEE Adv 2012 P1]

20(x2+y2)−36x+45y=0
20(x2+y2)+36x−45y=0
36(x2+y2)−20x+45y=0
36(x2+y2)+20x−45y=0

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