Question: Given the points A: (4,1,-2) and B: (1,5,-3), find the vector a = AB Add Work Question 2 Let (t) = (-1,0,-4)t + (6,2,

Given the points A: (4,1,-2) and B: (1,5,-3), find the vector a = AB Add Work Question 2 Let (t) = (-1,0,-4)t + (6,2, 4) and b(u) = (2, -3,5)u+ (-2,-4, 7). Find the acute angle between the lines (in radians) Let = < -5, 4, -1 >. Find a unit vector in the direction of a Add Work Question 4 Let = (3,5, -1) and b = (-2,3,2). Find the angle between the vector

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