KEAM 2010 Math Paper

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Question : 8 of 120
 
Marks: +1, -0
Which one of the following vectors is of magnitude 6 and perpendicular to both
→
a
=2
∧
i
+2
∧
j
+
∧
k
and
→
b
=
∧
i
−2
∧
j
+2
∧
k
?
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