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JEE Main 28 June 2022 Shift 1 Solved Paper

Section: Mathematics
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Question : 24 of 90
 
Marks: +1, -0
If
→
a
=2
^
i
+
^
j
+3
^
k
,
→
b
=3
^
i
+3
^
j
+
^
k
 and
→
c
=c1
^
i
+c2
^
j
+c3
^
k
 are coplanar vectors and
→
a
â‹…
→
c
=5,
→
b
⟂
→
c
, then 122(c1+c2+c3) is equal to
[28-Jun-2022-Shift-1]
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