Equation of circle is (x−1)2+y2=1 ⇒ radius =1 and diameter =2 ∴ Length of semi-minor axis is 2 . Equation of circle is x2+(y−2)2=4=(2)2 ⇒ radius =2 and diameter =4 ∴ Length of semi major axis is 4 We know, equation of ellipse is given by ‌
