VectorEasy
Question
If 
= î + ĵ − 
, 
= î + 2ĵ + 
and 
= î − ĵ 2
then is equal to -
= î + ĵ − , = î + 2ĵ + and = î − ĵ 2 then is equal to -Options
A.10
B.12
C.24
D.6
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