Let S be the subspace of R³ spanned by the vectors 1 and S that is closest to b. (If the entries of your vector do not come out as whole numbers, round them to 4 decimal places.) Find the least-squares solution to the following system of equations: 3x₂ = 7 4x2 = 3 3x2 = 9 (89) x1 x1 - 3x1 || , and let b 5. Find the point in -0. + + 18

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