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The common chord of x^(2) + y^(2) - 4x -...

The common chord of `x^(2) + y^(2) - 4x - 4y " and " x^(2) + y^(2) = 16` subtends at the origin an angle equal to

A

`pi//6 `

B

`pi//4`

C

`pi//3`

D

`pi//2 `

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-SYSTEM OF CIRLES -EXERCISE 1
  1. The length of the common chord of the circles of radii 15 and 20 whos...

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  2. If the circle x^(2) +y^(2) + 2gx + 2fy + c = 0 bisects the circumfer...

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  3. The common chord of x^(2) + y^(2) - 4x - 4y " and " x^(2) + y^(2) = 16...

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  4. If one of the diameter of the circle , given by the equation , x^(...

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  5. The lengthk of the equation chord of the two circles (X - a)^(2) + y^(...

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  6. The equation of the circle described on the common chord of the circle...

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  7. The equation of the circle whose diamter is the common chord of the ci...

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  8. If x - y + 1 = 0 meets the circle x^(2) + y^(2) + y - 1 = 0 at A a...

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  9. The circle on the chord x cos alpha + y sin alpha = p of the circle ...

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  10. The intercet on the line y = x by the circle x^(2) + y^(2) - 2x = 0 ...

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  11. If x - y + 1 = 0 meets the circle x^(2) + y^(2) + y - 1 = 0 at A a...

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  12. If the chord of contact of tangents from a point to a given circle pas...

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  13. The equation of the circle passing through the origin and the point of...

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  14. The length of the common chord of the circles x^(2) + y^(2) + 2x + ...

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  15. Find the equation of the circle passing therough the points of interse...

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  16. The equation of the circle passing through the point of intersection o...

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  17. The equation of the circle passing through the point of intersection o...

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  18. The equation of the circle passing through the points of intersection ...

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  19. The equation of the circle passing through the point of intersection o...

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  20. The equation of the circle passing through (2a,0) and whose radical ax...

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