1. Let A = (-1,2, 3) and B = (4, -3, 1). Find the following. a. JA|B - |BIA C. |2A| - 13B| e. JA
1. Let A = (-1,2, 3) and B = (4, -3, 1). Find the following. a. JA|B - |BIA C. |2A| - 13B| e. JA - 2B|A b. |4| (B - 24 ) d. |2A + BIB 2. Find the directions cosines of AB. a. A = (-1,2,3) and B = (4,-3, 1) c. A = (1,2, -3) and B = (-4,3, 1) b. A = (1, - 2,3) and B = (4,3,-1) d. A = (-1,2, -3) and B = (4, -3,1)
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