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Byju's Answer
Standard XII
Physics
Vector Addition
ln a triangle...
Question
l
n
a triangle
A
B
C
, if
A
=
(
0
,
0
)
;
B
=
(
3
,
3
√
3
)
;
C
=
(
−
3
√
3
,
3
)
then the vector
directed along
A
O
, where
O
is the circumcentre of triangle
A
B
C
is
A
3
2
[
(
1
−
√
3
)
¯
i
+
(
1
+
√
3
)
¯
j
]
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B
√
3
¯
i
+
2
¯
j
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C
¯
i
−
√
3
¯
j
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D
¯
i
+
2
¯
j
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Solution
The correct option is
B
3
2
[
(
1
−
√
3
)
¯
i
+
(
1
+
√
3
)
¯
j
]
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Similar questions
Q.
If in a ∆ABC, A = (0, 0), B = (3, 3
3
), C = (−3
3
, 3), then the vector of magnitude 2
2
units directed along AO, where O is the circumcentre of ∆ABC is
(a)
1
-
3
i
^
+
1
+
3
j
^
(b)
1
+
3
i
^
+
1
-
3
j
^
(c)
1
+
3
i
^
+
3
-
1
j
^
(d) none of these