The eccentricity of curve x^2 - y^2 = 1 is - Vidyadip

MCQ

The eccentricity of curve ${x^2} - {y^2} = 1$ is

A
$\frac{1}{2}$
B
$\frac{1}{{\sqrt 2 }}$
C
$2$
✓
$\sqrt 2 $

✓

Answer

Correct option: D.

$\sqrt 2 $

d
(d) Since it is a rectangular hyperbola,

therefore eccentricity $e = \sqrt 2 $.

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