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Byju's Answer
Standard IX
Mathematics
Distance Formula
If a point A0...
Question
If a point A(0, 2) is equidistant from the points B(3, p) and C(p, 5), then find the value of p. [CBSE 2012, 2013]
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Solution
It is given that A(0, 2) is equidistant from the points B(3, p) and C(p, 5).
∴ AB = AC
⇒
3
-
0
2
+
p
-
2
2
=
p
-
0
2
+
5
-
2
2
(Distance formula)
Squaring on both sides, we get
9
+
p
2
-
4
p
+
4
=
p
2
+
9
⇒
-
4
p
+
4
=
0
⇒
p
=
1
Thus, the value of p is 1.
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