Mathematics, 23.06.2021 09:10, oliviabob9893

If A, B, and C are any three square matrices of order (dimension) 3, then which of the following is true? A + (B + C) = (A + B) + C
A (B + C) = AB + AC
(AB)C = A(BC)
All of the choices

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If A, B, and C are any three square matrices of order (dimension) 3, then which of the following is...