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Can the distance between foci of an elli...

Can the distance between foci of an ellipse be equal to distance its directrices ?

A

Yes

B

No

C

May be

D

Cannot be determined

Text Solution

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The correct Answer is:
B
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MARVEL PUBLICATION-CIRCLE AND CONICS -MULTIPLE CHOICE QUESTIONS
  1. If (distance between directrices ) = 3 (distance between foci) , then ...

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  2. If m times distance between foci of an ellipse is equal to n times dis...

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  3. Can the distance between foci of an ellipse be equal to distance its d...

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  4. If eccentricities of a parabola and an ellipse are e and e' respective...

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  5. If eccentricities of a parabola and an ellipse are e and e' respective...

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  6. Co-ordinates of a point P((pi)/(3)) on the ellipse 16x^(2) + 25y^(2)...

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

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

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

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

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

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

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

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

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

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

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

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

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

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