Card 27 / 36: For the vectors A= 4 i + 2 j + 8 k and B = 3i -2 j - 7 k, where i, j, and k are unit vectors in a rectangular coordinate system, perform the following tasks. Calculate ||A|| and ||B||.
A)
7.87, 9.16
B)
9.16, 7.87
C)
10.82, 9.17
D)
84, 61.9
E)
61.9, 84
Answer:
B) 9.16, 7.87
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