Class 11 NEET Physics Motion in a Plane Questions

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Question : 43 of 74
 
Marks: +1, -0
If a vector 2
^
i
+3
^
j
+8
^
k
is perpendicular to the vector 4
^
j
−4
^
i
+α
^
k
,
then the value of α is
(2005)
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