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If e is eccentricity of the ellipse (x^(...

If e is eccentricity of the ellipse `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1`(where,a`lt`b), then

A

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

B

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

C

c)`2a(1-e^2)`

D

d)`2b(1-e^2)`

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A DAS GUPTA-Ellipse and Hyberbola-EXERCISE
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  13. If P & Q are the ends of a pair of conjugate diameters & C is the cent...

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  17. Find the locus of the middle points of the normals chords of the recta...

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  19. A rectangular hyperbola whose centre is C is cut by any circle of radi...

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