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Byju's Answer
Standard IX
Mathematics
Standard Equation of a Straight Line
If Px, y is e...
Question
If P(x, y) is equidistant from the points A(2, 1) and B(-2, 4), the relation between x and y is
.
A
8x - 6y + 15 = 0
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B
4x - 7y + 5 = 0
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C
x - 6y + 25 = 0
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Solution
The correct option is
A
8x - 6y + 15 = 0
Given: P(x, y), A(2, 1), and B(-2, 4)
The distance between two points
(
x
1
,
y
1
)
and
(
x
2
,
y
2
)
is
√
(
x
2
−
x
1
)
2
+
(
y
2
−
y
1
)
2
.
P is equidistant from A and B, so PA = PB.
√
(
x
−
2
)
2
+
(
y
−
1
)
2
=
√
(
x
+
2
)
2
+
(
y
−
4
)
2
(
x
−
2
)
2
+
(
y
−
1
)
2
=
(
x
+
2
)
2
+
(
y
−
4
)
2
x
2
−
4
x
+
4
+
y
2
−
2
y
+
1
=
x
2
+
4
x
+
4
+
y
2
−
8
y
+
16
−
4
x
−
2
y
+
5
=
4
x
−
8
y
+
20
8x - 6y + 15 = 0
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Similar questions
Q.
If P(x, y) is equidistant from the points A(7, 1) and B(3, 5), find the relation between x and y.
Q.
Find the relation between
x
and
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if the point
P
(
x
,
y
)
is equidistance from the point
A
(
7
,
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)
and
B
(
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Q.
Question 10
Find a relation between x and y such that the point (x, y) is equidistant from the point (3, 6) and (- 3, 4).
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