Let: A = a) b) 3 3 5 -1 1 2 4-2 0 2 1 -4 1 2 3-2 1 4.0- 1 1 2 3 4 5 6 -1 13 31.d= 1 2 find: 3 the matrix (A, B, or C) in which the row vectors form an orthogonal set the scalar projection of the rows of A onto the vector d with normalizing d

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