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[1000 2300 4560 7 8 9 10 (a) An upper triangular matrix (c) A lower triangular matrix If ,then A is (b) A null

[1000 2300 4560 7 8 9 10 (a) An upper triangular matrix (c) A lower triangular matrix If ,then A is (b) A null matrix (d) None of these

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