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KEAM 2021 Math Solved Paper

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Question : 31 of 120
 
Marks: +1, -0
If
→
a
=
^
i
−3
^
j
+α
^
k
,
→
b
=
^
i
−2
^
j
+4
^
k
 and
→
a
×
→
b
=−2
^
i
+
^
j
+β
^
k
, then the value of β is equal to
Validate
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