and 
are two lines whose vector equations are
and 
,
where 
and 
are scalars and 
is the acute angle between 
and 
. If the angle 
is independent of 
, then the value of 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Both the lines pass through origin. Line 
is parallel to the vector
and 
is parallel to the vector
In order that 
in the independent of 
.
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