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For each point `(a,y)` on an ellipse, the sum of the distances from `(x,y)` to the points `(2,0) and (-2,0)` is 8. Then the positive value of x so that (x,3) lies on the ellipse is

A

2

B

`2sqrt(3)`

C

`(1)/(sqrt(3))`

D

4

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The correct Answer is:
A
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MARVEL PUBLICATION-CIRCLE AND CONICS -MULTIPLE CHOICE QUESTIONS
  1. Foci of an ellipse are (pm 5, 0) and one of its directrices is 5x =...

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  2. If the eccentricity of an ellipse be (1)/(sqrt2), then its latus rectu...

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  3. For each point (a,y) on an ellipse, the sum of the distances from (x,y...

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  4. If the centre, one of the foci and semi-major axis of an ellipse are (...

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  5. If one vertex of an ellipse is (0,7) and the corresponding directrix i...

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  6. Equation of ellipse having letus rectum 8 and eccentricity (1)/(sqrt(2...

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  7. Ellipse x^(2) + 4y^(2) = 4 is inscribed in a rectangle aligned with...

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  8. Equation (x^(2))/(r-2) + (y^(2))/(5-r) = 1 represents an ellipse if

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  9. The eccentricity of an ellipse with its centre at the origin is (1)/(2...

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  10. The distanve between the foci of an ellipse is 16 and eccentricity is ...

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  11. If the eccentricities of the two ellipse (x^(2))/(169)+(y^(2))/(25)=...

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  12. In the ellipse 9x^(2) + 5y^(2) = 45 , distance between the foci is

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  13. If the distance foci of an ellipse is 8 and distance between its dire...

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  14. Find the equation of the hyperbola whole transverse and conjugate axes...

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  15. Find the equation of hyperbola where, conjugate axis is 3 along Y-axis...

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  16. The length of the transverse axis of a hyperbola is 7 and it passes th...

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  17. One focus at (4,0) corresponding directrix x = 1 .

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  18. Distance between foci = 10 and eccentricity = 3/2

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  19. Conjugate axis = 10 and eccentricity = 6/5

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  20. One focus at (3,0) and eccentricity = 6/5

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