Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The locus of the mid points of the chords of the circle 
which subtend a right angle at the origin is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
: Let the coordinates of the mid point 
of chord 
is 
Equation of chord 
is
where
and 
(i)
Equation of pair of lines 
and 
is obtained by making 
as homogeneous second degree equation using (i) i.e.,
Since 
is perpendicular to 
so
coefficient of 
coefficient of 
which is required locus.
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