The set of points on the axis of the parabola 
from which the three normals to the parabola are all real and different is
a)
b)
c)
d)
None of these
The set of points on the axis of the parabola from which the three normals to the parabola are all real and different is
a)
b)
c)
d)
None of these
Question ID - 56723 | SaraNextGen Top Answer
The set of points on the axis of the parabola from which the three normals to the parabola are all real and different is
a)
b)
c)
d)
None of these
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The set of points on the axis of the parabola |
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|
a) |
|
b) |
|
c) |
|
d) |
None of these |
1 Answer
127 votes
Answer Key / Explanation : (d) -
(d)
Given parabola is 
or 
Equation of normal to parabola at any point 
is 
It passes through 
if 
Hence, it has three real values of 
if 
> 0
127 votes
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