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5 Let A 1 1 1 3 and b NN 2 1 1 Find the least squares solution of the system Ax b and find

5 Let A 1 1 1 3 and b NN 2 1 1 Find the least squares solution of the system Ax b and find projR A b 2 Find an orthonormal basis for the column space of and find projR A b

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