Advertisements
Advertisements
प्रश्न
Find the co-ordinates of the focus, vertex, equation of the directrix, axis and the length of latus rectum of the parabola
x2 = - 16y
Advertisements
उत्तर
x2 = - 16y
x2 = - 4(4)y
∴ a = 4
| Vertex | (0, 0) | (0, 0) |
| Focus | (0, -a) | (0, -4) |
| Axis | y-axis | x = 0 |
| Directrix | y - a = 0 | y - 4 = 0 |
| Length of Latus rectum | 4a | 16 |
APPEARS IN
संबंधित प्रश्न
Find the co-ordinates of the focus, vertex, equation of the directrix, axis and the length of latus rectum of the parabola
y2 = 20x
Find the co-ordinates of the focus, vertex, equation of the directrix, axis and the length of latus rectum of the parabola
x2 = 8y
The focus of the parabola x2 = 16y is:
The eccentricity of the parabola is:
Find the vertex, focus, equation of directrix and length of the latus rectum of the following:
y2 = 16x
Identify the type of conic and find centre, foci, vertices, and directrices of the following:
`x^2/25 + y^2/9` = 1
Identify the type of conic and find centre, foci, vertices, and directrices of the following:
`x^2/3 + y^2/10` = 1
Identify the type of conic and find centre, foci, vertices, and directrices of the following:
`y^2/16 - x^2/9` = 1
Identify the type of conic and find centre, foci, vertices, and directrices of the following:
`(x + 1)^2/100 + (y - 2)^2/64` = 1
The latus-rectum of a conic section is:
