Scalar and vector product of two vectorsMedium
Perpendicular vectors parameter count
Let 
and 
be two unit vectors such that the angle between them is 
. If 
and 
are perpendicular to each other, then the number of values of λ in [–1, 3] is :
and be two unit vectors such that the angle between them is . If and are perpendicular to each other, then the number of values of λ in [–1, 3] is :SELECT ONE OPTION
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