VectorEasy
Question
If 
= î + 2ĵ − 2
, 
= 2î − ĵ + 
and 
= î + 3ĵ − 
then 
× (
× 
) is equal to-
= î + 2ĵ − 2, = 2î − ĵ + and = î + 3ĵ − then × ( × ) is equal to-Options
A.20î − 3ĵ + 7
B.20î + 3ĵ + 7
C.20î + 3ĵ − 7
D.None of these
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