JEE Math Practice Question
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 :
- A.$${1 \over 2}$$
- B.$${2 \over {\sqrt 5 }}$$
- C.$${{\sqrt 3 } \over 2}$$
- D.$${{\sqrt 3 } \over 4}$$
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