Find (a) the orthogonal projection of b onto Col A and (b) a least-squares solution of Ax = b. A = 1 1 0 10 - 1 0 1 1 - 1 1 - 1 b= 1 6 3 a. The orthogonal projection of b onto Col A is b = b. A least-squares solution of Ax = b is x = (Simplify your answers.) (Simplify your answers.)

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