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Byju's Answer
Standard X
Mathematics
Mid Point
If one end of...
Question
If one end of a diameter of the circle
x
2
+
y
2
−
4
x
−
6
y
+
11
=
0
is
(
3
,
4
)
, then find the coordinate of the other end of the diameter.
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Solution
Given
x
2
+
y
2
−
4
x
−
6
y
+
11
=
0
⇒
(
x
−
2
)
2
+
(
y
−
3
)
2
=
2
→
(
2
,
3
)
is center of circle and P(2,3)and Q(3,4) lies on same line
E
q
n
of line passing through P & Q is y = x+1.
Here
m
=
1
=
t
a
n
θ
⇒
θ
=
π
/
4
R
1
[
√
2
c
o
s
θ
+
2
,
3
+
√
2
s
i
n
θ
]
=
3
,
4
R
2
[
√
2
c
o
s
θ
+
2
,
3
−
√
2
s
i
n
θ
]
=
(
1
,
2
)
∴
co-ordinate of other end of diameter is (1,2)
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Similar questions
Q.
If the coordinates of one end of a diameter of the circle x
2
+ y
2
– 4x – 6y + 11 = 0 are (3, 4), then the coordinates of the other end are __________.