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