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Two vectors P and Q are given by P = 3i + 4j + 5k and Q = 2i + 2j + 3k. What are the direction of cosines of the vector (P - Q) ?A. 1/3, 2/3, 2/3B. 2/3, 1/3, 2/3C. 2/5, 3/5, 4/5D. 2/3, 4/3, 5/3 |
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Answer» Two vectors P and Q are given by P = 3i + 4j + 5k and Q = 2i + 2j + 3k. What are the direction of cosines of the vector (P - Q) ? A. 1/3, 2/3, 2/3 B. 2/3, 1/3, 2/3 C. 2/5, 3/5, 4/5 D. 2/3, 4/3, 5/3 |
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