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JEE Main 26-Aug-2021 Shift 1 Solved Paper

Section: Mathematics
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Question : 72 of 90
 
Marks: +1, -0
Let a=
^
i
+
^
j
+
^
k
 and b=
^
j
−
^
k
. If c is a vector such that a×c=b and a.c=3, then a.(b×c) is equal to
[26 Aug 2021 Shift 1]
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