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Byju's Answer
Standard VIII
Mathematics
Angle in a Semicircle
21. if a circ...
Question
21. if a circle cuts the rectangular hyperbola xy=1 at 4 points the product of abscissa of that 4 points=
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Q.
A circle cuts the rectangular hyperbola
x
y
=
1
in points
(
x
r
,
y
r
)
,
r
=
1
,
2
,
3
,
4
then
Q.
If a rectangular hyperbola
(
x
−
1
)
(
y
−
2
)
=
4
cuts a circle
x
2
+
y
2
−
7
x
−
9
y
+
c
=
0
at points
(
3
,
4
)
,
(
5
,
3
)
,
(
2
,
6
)
and point
P
(
u
,
v
)
, then the value of
9
(
u
+
v
)
is equal to
Q.
A circle cuts the rectangular hyperbola
x
y
=
1
in points
(
x
r
,
y
r
)
,
r
=
1
,
2
,
3
,
4
. If
x
1
x
2
x
3
x
4
=
a
,
y
1
y
2
y
3
y
4
=
b
, then
a
2
+
b
2
=
Q.
If a rectangular hyperbola
(
x
−
1
)
(
y
−
2
)
=
4
cuts a circle
x
2
+
y
2
+
2
g
x
+
2
f
y
+
c
=
0
at points
(
3
,
4
)
,
(
5
,
3
)
,
(
2
,
6
)
and
(
−
1
,
0
)
, then value of
g
+
f
+
c
is equal to :
Q.
If the circle
x
2
+
y
2
=
1
cuts the rectangular hyperbola
x
y
=
1
in four points
(
x
i
,
y
i
)
i
=
1
,
2
,
3
,
4
then
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