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The eccentricity of the hyperbola x ^(2)...

The eccentricity of the hyperbola `x ^(2) - y ^(2) = 4` is :a)`sqrt3` b)` 2`c)`1.5` d)`sqrt2`

A

`sqrt3`

B

` 2`

C

`1.5`

D

`sqrt2`

Text Solution

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The correct Answer is:
D
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