Question: 4. [10 points] Prove or disprove the statement: The product of strictly (row) diagonally dominant matrices is a strictly (row) diagonally dominant matrix. If you

4. [10 points] Prove or disprove the statement: The product of strictly (row) diagonally dominant matrices is a strictly (row) diagonally dominant matrix. If you prove it, your proof must be general for any pair of strictly diagonally dominant matrices of general n x 11 size. If you disprove it, then use an example, which involves matrices of at least 4 X 4 size

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