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Byju's Answer
Standard XII
Mathematics
Chord of Contact: Ellipse
The equation ...
Question
The equation of the chord joining two points
(
x
1
,
y
1
)
a
n
d
(
x
1
,
y
1
)
o
n
t
h
e
r
e
c
t
a
n
g
u
l
a
r
h
y
p
e
r
b
o
l
a
x
y
=
c
2
i
s
A
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B
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C
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D
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Solution
The correct option is
A
Mid point of the chord is
(
x
1
+
x
2
2
,
y
1
+
y
2
2
)
T
h
e
e
q
u
a
t
i
o
n
o
f
t
h
e
c
h
o
r
d
i
n
t
e
r
m
s
o
f
i
t
s
m
i
d
−
p
o
i
n
t
i
s
S
1
=
S
11
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