VectorHard
Question
If 
= î + 3ĵ − 2
and 
= 4î − 2ĵ + 4
, then (2
+ 
).(
− 2
) equals-
= î + 3ĵ − 2 and = 4î − 2ĵ + 4, then (2 + ).( − 2) equals-Options
A.14
B.− 14
C.0
D.None of these
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