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Vector Algebra Part 1

Section: Mathematics
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Question : 67 of 100
 
Marks: +1, -0
If
→
a
=‌
1
√10
(3
∧
i
+
∧
k
) and
→
b
=‌
1
7
(2
∧
i
+3
∧
j
−6
∧
k
), then the value of (2
→
a
−
→
b
)[(
→
a
×
→
b
)×(
→
a
+2
→
b
)] is
[AIEEE 2011]
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