If the locus of middle of point of contact of tangent drawn to the parabola 
and foot of perpendicular drawn from its focus to the tangents is a conic then length of latus rectum of this conic is
a)
b)
9
c)
18
d)
If the locus of middle of point of contact of tangent drawn to the parabola and foot of perpendicular drawn from its focus to the tangents is a conic then length of latus rectum of this conic is
a)
b)
9
c)
18
d)
Question ID - 55994 | SaraNextGen Top Answer
If the locus of middle of point of contact of tangent drawn to the parabola and foot of perpendicular drawn from its focus to the tangents is a conic then length of latus rectum of this conic is
a)
b)
9
c)
18
d)
|
If the locus of middle of point of contact of tangent drawn to the parabola |
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|
a) |
|
b) |
9 |
c) |
18 |
d) |
|
1 Answer
127 votes
Answer Key / Explanation : (b) -
(b)
.png)
Let middle point of 
and 
be (
)
and 
Locus of 
is 
As 
127 votes
Answer Link
127