1 2 3 Let i 2 (a) Let A be the matrix with columns ī1, 02, 03, 74 and 5. Find the reduced row echelon form of A. (b) Use the result from part (a) to write v;i, for i of u1, v2 and õ4. Conclude that span(T1, 02, U3, 74, Ū5)=span(71, 02, 74). = 3 and i = 5, as linear combinations

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