The mirror image of the parabola 
in the tangent ot the parabola at the point (1, 2) is
a)
b)
c)
d)
The mirror image of the parabola in the tangent ot the parabola at the point (1, 2) is
a)
b)
c)
d)
Question ID - 56687 | SaraNextGen Top Answer
The mirror image of the parabola in the tangent ot the parabola at the point (1, 2) is
a)
b)
c)
d)
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The mirror image of the parabola |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
(c)
Any point on the given parabola is 
The equation of the tangent at (1, 2) is 
The image 
of the point 
in 
is given by
And 
Eliminating 
from 
and 
we get
The required equation of reflection is 
(c)
Any point on the given parabola is 
The equation of the tangent at (1, 2) is 
The image 
of the point 
in 
is given by
And 
Eliminating 
from 
and 
we get
The required equation of reflection is 
127 votes
Answer Link
127