An orthogonal basis for the column space of matrix A is (V₁. V₂, V3). Use this orthogonal basis to find a QR factorization of matrix A. Q=R= (Type exact answers, using radicals as needed.) A= 1 25 -1 -2 1 0 1 23 V₁ = 42 4 -1 0 V₂ = 1 2 1 3 3 0 -3 3

Q: please explaine how to get 42?

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