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The length of the major axis of the elli...

The length of the major axis of the ellipse `x^(2)/a^(2)+y^(2)/b^(2)=1`, is three times the length of minor axis, it eccentricity is

A

`1/3`

B

`1/sqrt3`

C

`1/sqrt2`

D

`2sqrt2/3`

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JBD PUBLICATION-CONIC SECTIONS-EXAMPLE
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