The distance from the centre of the ellipse to one of the foci and one of the vertices of the ellipse is called
Eccentricity
Ellipse
Focal length
None of these
The tangents drawn at the extremities of a focal chord of a parabola.
Are parallel
Intersect on the directrix
Intersect at angle of 45o
Intersect on the tangent at the vertex
The eccentricity of the hyperbola 4x2 - 5y2 = 20 is
3/√5
√5/2
√5
5√5
The length of latus rectum of the parabola x2 = - 16y is
- 16
- 4
16
4
The length of latus rectum of parabola y2 = 12x is
3
12
1
The vertex of the parabola (y - 2)2 = 16 (x - 1) is
(2 , 1)
(1 , -2)
(-1, 2)
(1 , 2)
The eccentricity of the ellipse 4x2 + 9y2 = 36 is
1/2√3
1/√3
√5/3
√5/6
The equation of normal at the point ( 0 , 3) of the ellipse 9x2 + 5y2 = 45 is.
y - 3 = 0
y + 3 = 0
x - axis
y - axis
If the line y = mx + k touches the parabola x2 = 4ay, then the value of k is
a/m
am
am2
-am2
If distance between the foci of an ellipse is equal to its minor axis, then eccentricity of the ellipse is
1/√2
1/√4
1/√6
