AMU Engineering 2020 solved paper Solved Paper

Section: Mathematics
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Question : 102 of 150
 
Marks: +1, -0
If a and b are two non-collinear vectors such that |a|=3,|b|=4 and ab=
i
+2
j
+3
k
, then the value of {
a
|a|
b
|b|
}
2
is equal to
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