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The locus of the midpoints oof chords of...

The locus of the midpoints oof chords of the circle `x^(2)+y^(2)=4` which substends a right angle at the origin is

A

`x^(2)+y^(2)=2`

B

`x^(2)+y^(2)=4r^(2)`

C

`x^(2)+y^(2)=8r^(2)`

D

`x^2+y^(2)=r^(2)//r2`

Text Solution

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1C(Pole, Polar)
  1. The equation to the locus of the midpoints of chords of the circle x^(...

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  2. The locus of the midpoints oof chords of the circle x^(2)+y^(2)=25 whi...

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

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  4. The equation to the locus of the midpoints of chords of the circle x^(...

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  5. The equation to the locus of the midpoints of chords of the circle x^(...

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  6. The length of the chords of the circle x^(2)+y^(2)-2x-6y-15=0 which ma...

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  7. The loucs of the midpoints of the chords of the circle 4x^(2)+4y^(2)-1...

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  8. The locus of the midpoints of chords of the circle x^(2)+y^(2)-6x+8y-2...

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  9. The locus of the midpoint of the chord of the circle x^(2)+y^(2)-2x-2y...

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  10. (a,b) is the midpoint of the chord AB of the circle x^(2)+y^(2)=r^(2)....

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  11. Find the equation of the pair of tangents from (10,4) to the circle ...

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  12. Find the pair of tangents drawn from (3,2) to the circle x^(2) + y^...

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  13. The equation of the tangents drawn from the origin to the circle x^(2)...

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  14. The angle between the tangents drawn from (0,0) to the circle x^(2)+y^...

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  15. If theta is the angle between the tangents from (-1,0) to the circle x...

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  16. From any point on the circle x^(2)+y^(2)=a^(2) tangents are drawn to t...

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  17. The condition that the pair of tangents drawn from the origin to the c...

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  18. The condition that the pair of tangents drawn from the origin to the c...

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  19. The angle between a pair of tangents drawn from a point P to the circl...

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  20. From any point on the circle x^(2)+y^(2)+2gx+2fy+c=0 tangents are draw...

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