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Byju's Answer
Standard XI
Mathematics
Coordinates of a Point in Space
If the coordi...
Question
If the coordinates of the points
A
and
B
in a plane are
(
1
,
1
)
and
(
1
,
2
)
respectively, find the
coordinates of
C
(in the plane) such that
→
A
B
and
→
B
C
are equal.
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Solution
Let
C
=
(
x
,
y
)
∵
→
A
B
=
→
B
C
so
x
−
1
=
0
⇒
x
=
1
&
y
−
2
=
1
y
=
3
→
A
B
=
^
j
→
B
C
=
(
x
−
1
)
^
i
+
(
y
−
2
)
^
j
so
C
=
(
1
,
3
)
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0
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Standard XI Mathematics
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