The eccentricity of the conic x2- 4x + 4y2 = 4 is
none of these
As we learned
Eccentricity -
The ratio of a distance of point from focus to distance from fixed line.
- wherein
It is donated by .
The given conic is x2- 4x + 4y2 = 4. This equation can be written as
This is an ellipse whose major and minor axes are
Therefore, its eccentricity is given by
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