Project b = (0,8,8,20) onto the line through a = (0,1,3,4). Find x = D and p = xa. The
Chapter 4, Problem 8(choose chapter or problem)
Project b = (0,8,8,20) onto the line through a = (0,1,3,4). Find x = D and p = xa. The best C in 5-6 and the best D in 7-8 do not agree with the best (C, D) in 1-4. That is because (1, 1, 1, 1) and (0, 1,3,4) are __ perpendicular.
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