Question: 1. Describe, with justification, the possible reduced row echelon forms of a matrix A in the following cases: (a) A is a 2 x 4

1. Describe, with justification, the possible reduced row echelon forms of a matrix A in the following cases: (a) A is a 2 x 4 matrix whose columns span 2. (b) A is a 3 x 4 matrix whose columns span R3 (c) A is a 4 x 4 matrix whose columns span R4

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