Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = 4i + 2j + 8k, v = -i - 2j - 2k
A. 6
; 
i - 
k
B. 180; 
i + 
j + 
k
C. 180; 
i + 
k
D. 6
; 
i + 
k
Answer: A
Mathematics
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< 3
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