1.

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

Answer»

`B^(2) = a^(2) (1 - E^(2))`
`a^(2) = b^(2) (1 - e^(2))`
`a^(2) = b^(2) (e^(2) - 1)`
`b^(2) = a^(2) (e^(2) - 1)`

ANSWER :B


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