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Find the rank of each of the following matrices from its echelon matrix, and comment on the question of nonsingularity. [:51] [7633] (GM: 039 (c)C=0121

Find the rank of each of the following matrices from its echelon matrix, and comment on the question of nonsingularity. [:51] [7633] (GM: 039 (c)C=0121 400 8008 014 2791 (b)B= 3 1 2 (d)D=110 1 610 0593

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