NDA Math Vector Algebra

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Question : 90 of 101
 
Marks: +1, -0
What is the area of the triangle OAB where O is the origin,
→
OA
=3
∧
i
+
∧
j
+
∧
k
and
→
OB
=2
∧
i
+
∧
j
−3
∧
k
[NDA II 2014]
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