is a normal chord of the parabola at being the vertex of the parabola. Through a line is drawn parallel to meeting the –axis in . Then line length of is |
|
a) |
Equal to the length of the latus rectum |
b) |
Equal to the focal distance of the point |
c) |
Equal to twice the focal distance of the point |
d) |
Equal to the distance of the point from the directrix |
is a normal chord of the parabola at being the vertex of the parabola. Through a line is drawn parallel to meeting the –axis in . Then line length of is |
|
a) |
Equal to the length of the latus rectum |
b) |
Equal to the focal distance of the point |
c) |
Equal to twice the focal distance of the point |
d) |
Equal to the distance of the point from the directrix |
(c)
Equation of the line through parallel to
Put
= twice the focal distance of