VectorHard
Question
If 
= 
, 
= 
, 
= 
where 
, 
, 
are non- coplanar vectors, then (
+ 
+ 
).(
+ 
+ 
) equals-
= , = , = where , , are non- coplanar vectors, then ( + + ).( + + ) equals-Options
A.3
B.2
C.1
D.0
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