In an ellipse the distance between its foci is $6$ and its minor axis is $8$. Then its eccentricity is
In an ellipse the distance between its foci is $6$ and its minor axis is $8$. Then its eccentricity is
- A
$\frac{4}{5}$
- B
$\frac{1}{{\sqrt {52} }}$
- C
$\frac{3}{5}$
- D
$1\over2$
Similar Questions
P is any point on the ellipse $9{x^2} + 36{y^2} = 324$, whose foci are $S$ and $S’$. Then $SP + S'P$ equals
P is any point on the ellipse $9{x^2} + 36{y^2} = 324$, whose foci are $S$ and $S’$. Then $SP + S'P$ equals
A tangent to the ellipse $\frac{x^2}{25}+\frac{y^2}{16}=1$ intersect the co-ordinate axes at $A$ and $B,$ then locus of circumcentre of triangle $AOB$ (where $O$ is origin) is
A tangent to the ellipse $\frac{x^2}{25}+\frac{y^2}{16}=1$ intersect the co-ordinate axes at $A$ and $B,$ then locus of circumcentre of triangle $AOB$ (where $O$ is origin) is
If distance between the directrices be thrice the distance between the foci, then eccentricity of ellipse is
If distance between the directrices be thrice the distance between the foci, then eccentricity of ellipse is
Eccentricity of the ellipse $9{x^2} + 25{y^2} = 225$ is
Eccentricity of the ellipse $9{x^2} + 25{y^2} = 225$ is
If the angle between the lines joining the end points of minor axis of an ellipse with its foci is $\pi\over2$, then the eccentricity of the ellipse is
If the angle between the lines joining the end points of minor axis of an ellipse with its foci is $\pi\over2$, then the eccentricity of the ellipse is
- [IIT 1997]