CUSAT 2022 BTech Solved Paper Shift 2

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Question : 122 of 200
 
Marks: +1, -0
The vector
→
a
=α
→
i
+2
→
j
+β
→
k
lies in the plane of the vectors
→
b
=
→
i
+
→
j
and
→
c
=
→
j
+
→
k
and bisects the angle between
→
b
and
→
c
. Then
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