The eccentricity of an ellipse is `1/2` and the distance between its foci is 4 units.
Channel: Doubtnut
Date: 2020-04-12

The eccentricity of an ellipse is `1/2` and the distance between its foci is 4 units. If the major and minor axes of the ellipse are respectively along the `x and y` axes, find the equation of the ellipse.