2. Consider the following matrices: 1 1 0 10 1 € M3x3(Z₂), 0 1 1, (3) 2 1 1 2 € M3x2(Z3), 112 2001 M3x4(Q). 1 1 2 1 (a) Put each A into reduced row echelon form R. (b) Put each R into column echelon form. (c) For each A, find B, C as in Corollary 1 of Theorem 3.6 in the book.

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