Length of the shortest normal chord of the parabola 
is
a)
b)
9
c)
d)
None of these
Length of the shortest normal chord of the parabola is
a)
b)
9
c)
d)
None of these
Question ID - 55926 | SaraNextGen Top Answer
Length of the shortest normal chord of the parabola is
a)
b)
9
c)
d)
None of these
|
Length of the shortest normal chord of the parabola |
|||||||
|
a) |
|
b) |
9 |
c) |
|
d) |
None of these |
1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
Let 
be a normal chord where 
We have 
Now, 
For 
=0
for which 
is minimum
Thus, 
units
127 votes
Answer Link
127