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If (3,-2) is the midpoint of the chord A...

If (3,-2) is the midpoint of the chord AB of the circle `x^(2)+y^(2)-4x+6y-5=0" then AB="`

A

4

B

8

C

12

D

16

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

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  2. The midpoint of chord formed by the polar of (-9,2) w.r.t x^(2)+y^(2)=...

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  3. If (3,-2) is the midpoint of the chord AB of the circle x^(2)+y^(2)-4x...

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  4. Locus of midpoints of chords of circles x^(2)+y^(2)-4x-2y-4=0 which ar...

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  5. From the origin chords are drawn to the circle (x-1)^(2)+y^(2)=1 then ...

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  6. The locus of the midpoints oof chords of the circle x^(2)+y^(2)=4 whic...

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  7. Angle between tangents at the ends chords of circle (x-1)^(2)+(y-2)^(2...

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  8. The circle x^(2)+y^(2)-4x-6y-12=0, x^(2)+y^(2)+6x-8y+21=0 are

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  9. The circle x^(2)+y^(2)2x+4y+4y=0,x^(2)+y^(2)+4x-2y+1=0 are

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

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  11. The number of common tangents to x^(2)+y^(2)=4,(x-3)^(2)+(y-4)^(2)=9 i...

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

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  13. The external centre of similitude of the two circles x^(2)+y^(2)-2x-6y...

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  14. It is not possible to find the equation of a cicle I: If radius cent...

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  15. Read of the following two statements I: sqrt(3)x-y+4=0 is tangent to...

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  16. The number of parameters of the equation ax^(2)+ay^(2)+2fy+c=0 is

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

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  18. The condition that the circles x^(2)+y^(2)+2ax+c=0, x^(2)+y^(2)+2by+c=...

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  19. The equation to the circle whose radius is 3 and which touches interna...

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  20. A circle of radius 2 units rolls inside the ring of the circle x^(2)+y...

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