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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



Question ID - 55807 | SaraNextGen Top Answer

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

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Equation of the line through  parallel to

Put

= twice the focal distance of

127 votes


127