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CBSE XII
>>
Math
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Vector Algebra
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Q)
The vector from origin to the points
A
and
B
are
→
a
=
2
ˆ
i
−
3
ˆ
j
−
2
ˆ
k
and
→
b
=
2
ˆ
i
+
3
ˆ
j
−
ˆ
k
,
respectively,then the areqa of triangle
O
A
B
is
(
A
)
340
(
B
)
√
25
(
C
)
√
229
(
D
)
1
2
√
229
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