NDA Math Vector Algebra

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Question : 32 of 101
 
Marks: +1, -0
What is the scalar projection of
→
a
=
⋀
i
−2
⋀
j
+
⋀
k
on
→
b
=4
⋀
i
−4
⋀
j
+7
⋀
k
?
[NDA II 2019]
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