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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