EllipseMedium
Question
An ellipse and a hyperbola have the same centre ″origin″, the same foci. The minor-axis of the one is the same as the conjugate axis of the other. If e1, e2 be their eccentricities respectively, then 
is equal to
is equal to Options
A.1
B.2
C.4
D.3
More Ellipse Questions
An ellipse has OB as semi minor axis, F and F′ its focii and the angle FBF′ is a right angle. Then the eccen...A focus of an ellipse is at the origin. The directrix is the line x = 4 and the eccentricity is 1/2. Then the length of ...A point, ratio of whose distance from a fixed point and line x = 9/2 is always 2 : 3. Then locus of the point will be -...Let $S$ and $S'$ be the foci of the ellipse $\frac{x^{2}}{25} + \frac{y^{2}}{9} = 1$ and $P(\alpha,\beta)$ be a poin...Let E be the ellipse = 1 and C be the circle x2 + y2 = 9. Let P and Q be the points (1, 2) and (2, 1) respectively. Then...