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JEE Main 24 Jan 2025 Shift 1 Paper

Section: Mathematics
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Question : 7 of 75
 
Marks: +1, -0
Let
→
a
=
^
i
+2
^
j
+3
^
k
,
→
b
=3
^
i
+
^
j
−
^
k
 and
→
c
 be three vectors such that
→
c
 is coplanar with
→
a
 and
→
b
. If the vector
→
c
 is perpendicular to
→
b
 and
→
a
â‹…
→
c
=5, then |
→
c
| is equal to
[24 Jan 2025 Shift 1]
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