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The eccentricity of the conic x ^(2) -4y...

The eccentricity of the conic `x ^(2) -4y ^(2) =1` is

A

`(2 )/(sqrt3)`

B

`(sqrt3)/(2)`

C

`(2)/(sqrt3)`

D

`(sqrt5)/(2)`

Text Solution

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The correct Answer is:
D
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