Question: Let A be a 4 x 5 matrix. If a1, a2, and a4 are linearly independent and a3 = a1 + 2a2, a5 = -3a1

Let A be a 4 x 5 matrix. If a1, a2, and a4 are linearly independent and a3 = a1 + 2a2, a5 = -3a1 - a2 + 4a4 determine the reduced row echelon form of A. U =

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