CGPET 2016 Solved Paper

Section: Mathematics
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Question : 138 of 150
 
Marks: +1, -0
If a=−
∧
i
+
∧
j
+
∧
k
and b=2
∧
i
+
∧
k
, then the vector satisfying the following conditions
(i) it is coplanar with a and b,
(ii) it is perpendicular to b and
(iii) a⋅c=7, is
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