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Question

The length and the midpoint of the chord 4x-3y+5=0 w.r.t circle x2+y22x+4y20=0 is



A

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B

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C

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D

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Solution

The correct option is D


2r2d2=8M.P=(75,15) , where r is the radius of the circle and d is the perpendicular distance of the line from the centre of the circle.


Mathematics

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