NDA Math Vector Algebra

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Question : 17 of 101
 
Marks: +1, -0
If the position vectors of A and B are (√2−1)
∧
i
−
∧
j
and
∧
i
+(√2+1)
∧
j
respectively, then what is the magnitude of
→
AB
?
[NDA-II 2021]
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