UPSEE Solved Model Paper 2

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Question : 149 of 150
 
Marks: +1, -0
If
→
α
=
^
i
+2
^
j
+
^
k
,
→
b
=
^
i
−
^
j
+
^
k
and
→
c
=
^
i
+
^
j
−
^
k
, then a vector in the plane of a and b whose projection on c is
1
√3
units, is
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