engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Parabola, Ellipse and Hyperbola Ellipse
What is the eccentricity of the ellipse if the angle between the straight lines joining the foci to an extremity of the minor axis is 90° ?
1
\(\frac{1}{3}\)
2
\(\frac{1}{2}\)
3
\(\frac{1}{\sqrt{3}}\)
4
\(\frac{1}{\sqrt{2}}\)