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The eccentricity of the ellipse 5 x^(2)+...

The eccentricity of the ellipse `5 x^(2)+9 y^(2)=1` is

A

`(2)/(3)`

B

`(3)/(4)`

C

`(4)/(5)`

D

`(1)/(2)`

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The correct Answer is:
A
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