A circle is drawn with the two foci an ellipse `x^(2)/a^(2)+y^(2)/b^(2)=1` at the end of the
Channel: Doubtnut
Date: 28/01/2020

A circle is drawn with the two foci an ellipse `x^(2)/a^(2)+y^(2)/b^(2)=1` at the end of the diameter. What is the equation of the eircle ?