The eccentricity of curve \[{{x}^{2}}-{{y}^{2}}=1\] is [MP PET 1995]

The eccentricity of curve \[{{x}^{2}}-{{y}^{2}}=1\] is [M

1.	The eccentricity of curve \[{{x}^{2}}-{{y}^{2}}=1\] is [MP PET 1995]
A.	\[\frac{1}{2}\]
B.	\[\frac{1}{\sqrt{2}}\]
C.	2
D.	\[\sqrt{2}\]
Answer» E.

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The eccentricity of curve \[{{x}^{2}}-{{y}^{2}}=1\] is [MP PET 1995]

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