An ellipse is drawn by taking a diameter...

An ellipse is drawn by taking a diameter of the circle `(x – 1)^2 + y^2 = 1`, as its semi-minor axis and a diameter of the circle `x^2 + (y – 2)^2 = 4` as its semi-major axis. If the centre of the ellipse is at the origin and its axes are the coordinate axes, then the equation of the ellipse is:

`4x^2+y^2=8`

`x^2+4y^2=16`

`4x^2+y^2=4`

`x^2+4y^2=8`

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