The eccentricity of an ellipse having centre at the origin, axes along the co-ordinate axes and passing through the points $(4,-1)$ and $(-2, 2)$ is
The eccentricity of an ellipse having centre at the origin, axes along the co-ordinate axes and passing through the points $(4,-1)$ and $(-2, 2)$ is
- [JEE MAIN 2017]
- A
$\frac{1}{2}$
- B
$\frac{2}{{\sqrt 5 }}$
- C
$\frac{{\sqrt 3 }}{2}$
- D
$\frac{{\sqrt 3 }}{4}$
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- [IIT 1995]