VectorHard
Question
If 
= 2î + 3ĵ − 
, 
= − î + 2ĵ − 4
and , 
= î + ĵ + 
then (
× 
). (
× 
) equals-
= 2î + 3ĵ − , = − î + 2ĵ − 4 and , = î + ĵ + then ( × ). ( × ) equals-Options
A.60
B.64
C.74
D.−74
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