(a) Find orthonormal vectors q₁, q2, q3 such that q₁, q2 span the column space of 1 1 A = 2 -2 q1= 13 23 23 22 √857 18 857 4 √117 1 and 92=> and 117 93= 10 √117 7 √857 (b) Which of the four fundamental subspaces contains q3? left nullspace (c) Solve Ax = 2 by least squares: <☑

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