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JEE Main 4 Apr 2024 Shift 2 Solved Paper

Section: Mathematics
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Question : 2 of 90
 
Marks: +1, -0
If λ>0, let θ be the angle between the vectors
→
a
=
^
i
+λ
^
j
−3
^
k
 and
→
b
=3
^
i
−
^
j
+2
^
k
. If the vectors
→
a
+
→
b
 and
→
a
−
→
b
 are mutually perpendicular, then the value of (14‌cos‌θ)2 is equal to
[4 Apr 2024 Shift 2]
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