KEAM 2011 Math Paper

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Question : 26 of 120
 
Marks: +1, -0
The angle between the line
−
r
=(
⋀
i
+2
⋀
j
+3
⋀
k
)
+λ(2
⋀
i
+3
⋀
j
+4
⋀
k
)
and the plane
−
r
.(
⋀
i
+2
⋀
j
−2
⋀
k
)
=3
is
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