NDA Math Vector Algebra

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Question : 3 of 101
 
Marks: +1, -0
What are the values of x for which the angle between the vectors 2x2
∧
i
+3x
∧
j
+
∧
k
and
∧
i
−2
∧
j
+x2
∧
k
is obtuse ?
[NDA II 2022]
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