SRMJEE 2018 Paper with key

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Question : 98 of 147
 
Marks: +1, -0
Let
→
a
=2
→
i
−
→
j
+
→
k
,
→
b
=
→
i
+2
→
j
−
→
k
‌and
‌
→
c
=
→
i
+
→
j
+2
→
k
be three vectors. A vector in the plane of b and c whose projection on a is √
2
3
will be
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