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Byju's Answer
Standard XII
Mathematics
Local Maxima
Find a relati...
Question
Find a relation between x and y such that the point
P
(
x
,
y
)
is equidistant from the points
A
(
7
,
0
)
and
B
(
0
,
7
)
The relation is
x
=
p
y
then
p
=
?
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Solution
P
is equidistant from
A
(
7
,
0
)
and
B
(
0
,
7
)
. So, using distance formula:
(
x
−
7
)
2
+
(
y
)
2
=
(
x
)
2
+
(
y
−
7
)
2
..............................[
P
A
=
P
B
]
⟹
x
2
+
49
−
14
x
+
y
2
=
x
2
+
y
2
+
49
−
14
y
⟹
−
14
x
=
−
14
y
⟹
x
=
1
×
y
Hence,
p
=
1
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0
Similar questions
Q.
Find the relation between
x
and
y
if the point
P
(
x
,
y
)
is equidistance from the point
A
(
7
,
0
)
and
B
(
0
,
5
)
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