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Focal distances of the point P (5, 4sqr...

Focal distances of the point ` P (5, 4sqrt(3))` on the ellipse
` 64x^(2) + 100y^(2) = 6400` are

A

7,13

B

18,2

C

4,16

D

19,1

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The correct Answer is:
A
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MARVEL PUBLICATION-CIRCLE AND CONICS -MULTIPLE CHOICE QUESTIONS
  1. Co-ordinates of a point P((pi)/(3)) on the ellipse 16x^(2) + 25y^(2)...

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  2. foci of the ellipse x = 4 cos theta , y = 3 sin theta are

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  3. Focal distances of the point P (5, 4sqrt(3)) on the ellipse 64x^(2...

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  4. If a chord PQ , joining P (theta) " Q and " (phi) , of an ellipse (...

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  5. If P ( theta ) " and " Q (phi ) are two points on an ellipse (x^(2...

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  6. If a chord P(theta) Q(phi) of an ellipse (x^(2))/(a^(2)) + (y^(2))/(b...

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  7. If P (theta) is a point on the ellipse E (a gt b) , whose foci are...

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  8. An ellipse , centred at the origin , has eccentricity 1/2 and one dire...

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  9. If distance between foci of an ellipse equals its latus-rectrum , then...

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  10. Find the sum of the focal distances of any point on the ellipse 9x^...

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  11. If P=(x , y),F1=(3,0),F2=(-3,0), and 16 x^2+25 y^2=400 , then P F1+P F...

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  12. The radius of the circle passing through the foci of (x^(2))/(16) + (y...

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  13. In an ellipse, the distances between its foci is 6 and minor axis is 8...

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  14. For the ellipse 25x^(2) + 45y^(2) = 9,

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  15. S and T are foci of an ellipse and B is an end of the minor a...

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  16. Any point whose x and y co-ordinates satisfy the equations (1 - (x/...

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  17. Given A -= (0,-1) " and " B = (0,1) . If P (x,y) is a point satisfyi...

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  18. For the ellipse (x^(2))/(4) + (y^(2))/(3) = 1 , the ends of the two ...

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  19. If the equation (x^(2))/(16 -K) + (y^(2))/(5-K) = 1 represents an ell...

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  20. Perimeter of a triangle formed by any point on the ellipse (x^(2))/...

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