Agniveer Vayu or IAF Group X 19 Jan 2023 Paper

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Question : 30 of 70
 
Marks: +1, -0
If 
a
=(
i
+2
j
3
k
)
 and 
b
=(3
i
j
+2
k
)
 then the angle between (
a
+
b
)
 and (
a
b
)
 is?
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