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COMEDK Exam 2021 Solved Paper

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Question : 126 of 180
 
Marks: +1, -0
If for a=2
^
i
+3
^
j
+
^
k
,b=
^
i
−2
^
j
+
^
k
 and c=−3
^
i
+
^
j
+2
^
k
, then find [a bc].
Validate
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