Question: find solution 31. If a = -4i + j, b = -3i - 2j, c = 2a - b, and d = -a + 4b,

find solution

31. If a = -4i + j, b = -3i - 2j, c = 2a - b, and d = -a + 4b, find the angle formed between vectors c and d. A. 81.55 B. 84.97 C. 87.03" D. 92.62quot

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