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The equation of the common chord of the ...

The equation of the common chord of the two circles
` (x -a)^(2) + (y - b)^(2) = c^(2), (x - b)^(2) + (y - a)^(2) = c^(2) ` is

A

`(ab)/(sqrt(a^(2) + b^(2)))`

B

`(2ab)/(sqrt(a^(2) + b^(2)))`

C

`(a+b)/(sqrt(a^(2) + b^(2)))`

D

`sqrt(a^(2) + b^(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-SYSTEM OF CIRLES -EXERCISE 1
  1. The length of the common chord of the two circles x^(2) + y^(2) - 4y ...

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  2. The length of the common chord of the circles x^(2) + y^(2) + 2hx = 0...

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  3. The equation of the common chord of the two circles (x -a)^(2) + (y...

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  4. The length of the common chord of the circles (x - a)^(2) + (y - b)...

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

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  6. The length of the common chord of the circle x^(2) + y^(2) + ax + b...

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

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  8. The length of the common chord of the circles of radii 15 and 20 whos...

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

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

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

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

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

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

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

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

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

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

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

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

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