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The length and the midpoint of the chord...

The length and the midpoint of the chord 4x-3y+5=0 w.r.t. the circle `x^(2)+y^(2)-2x+4y-20=0` is

A

`(-7/5,-1/5)`

B

`(7/5,1/5)`

C

`(-17/5,-11/5)`

D

`(-7/5,-8/5)`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-CIRCLES-PRACTICE EXERCISE
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  4. The pair of tangents from (2,1) to the circle x^(2)+y^(2)=1 is

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  13. The number of common tangents to x^(2)+y^(2)=1, x^(2)+y^(2)-6x-8y+24=0...

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  15. The internal cent re of similitude of two circles (x-2)^(2)+(y-3)^(2)=...

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  20. If the circles x^(2)+y^(2)=a^(2), x^(2)+y^(2)-6x-8y+9=0 touch external...

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