VectorMedium
Question
If 
,
,
are three non-zero vectors such that + + = 0 and m = . + 
.
+ .
, then
,, are three non-zero vectors such that + + = 0 and m = . + . + ., thenOptions
A.m < 0
B.m > 0
C.m = 0
D.m = 3.
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