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OpenStudy (didee):
Suppose u, v and w are vectors in 3-space. Which of the following is/are defined? A. u . (v x w) B. u x (v x w) 1. Only A 2. Only B 3. Both A and B 4. Neither A nor B
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OpenStudy (anonymous):
what means x? the answer could be 4. Neither A nor B i think
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