VectorHard
Question
If 
and 
are unit coplanar vectors, then the scalar ipla product 
is equal to
and are unit coplanar vectors, then the scalar ipla product is equal toOptions
A.0
B.1
C.-√3
D.√3
Solution
If 
are coplanar vectors, then 
and 
are also coplanar vectors.
ie,
are coplanar vectors, then and are also coplanar vectors.ie,
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