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JEE Main 29 Jan 2025 Shift 2 Paper

Section: Mathematics
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Question : 18 of 75
 
Marks: +1, -0
Let â be a unit vector perpendicular to the vectors
→
b
=
^
i
−2
^
j
+3
^
k
 and
→
c
=2
^
i
+3
^
j
−
^
k
, and makes an angle of cos−1(−‌
1
3
) with the vector
^
i
+
^
j
+
^
k
. If a makes an angle of ‌
π
3
 with the vector
^
i
+α
^
j
+
^
k
, then the value of α is
[29 Jan 2025 Shift 2]
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