Solved

Find the Magnitude of U × V and the Unit

Question 129

Multiple Choice

Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.
-u = 7i + 5j , v = i - j

A) 2; 2k
B) 2; -2k
C) 12; -k
D) 12; -12k

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