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Find the equation of the ellipse whose f...

Find the equation of the ellipse whose foci `(0,+-4)` and the equation of directries is `y=+-9`.

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PATHFINDER-PARABOLA, ELLIPSE AND HYPERBOLA-QUESTION BANK
  1. The eccentricity of an ellipse whose distance between the foci is 4 an...

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  2. Taking major and minor axes as x and y - axes respectively , find the ...

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  3. Find the equation of the ellipse whose foci (0,+-4) and the equation o...

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  4. The eccentricity of an ellipse is (2)/(3) focus is S(5,4) and the ma...

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  5. Find the equation to the ausiliary circle of the ellipse 4x^(2) +9...

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  6. The coordinates of the focus of an ellipse are (1,2) and eccentricity...

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  7. Find the length of the latus rectum, eccentricity, coordinates of cent...

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  8. Find the equation of the ellipse whose vertices are (-3,5) and (9,5) a...

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  9. A line segment of length (a+b) units moves on a plane in such a way th...

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  10. Find the eccentricity and equations of the directrices of the ellips...

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  11. If the chord joining the points P(theta)' and 'Q(phi)' of the ellipse ...

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  12. P and Q be the extremities of the two conjugate diameters of the ellip...

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  13. The length of latus rectum of the hyperabola 9y^(2) - 4x^(2) = 36 is -

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  14. If the latus rectum of a hyperbola is equal to half of its transverse ...

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  15. The centre of the hyperbola 9x^2-16y^2-18x+64y-199=0 is

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  16. If foci of the ellipse (x^(2))/(16) + (y^(2))/(b^(2)) = 1 coincide wit...

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  17. The eccentricity of the hyperbola x^2-y^2=4 is

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  18. Find the equation to the locus represented by the parametric equation...

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  19. The equation of the auxiliary circle of the hyperbola x^2/a^2-y^2/b^2=...

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  20. The eccentricity of the curve 9x^2-25y^2=225 is

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