9514 1404 393
Answer:
Explanation:
The matrix operation works on corresponding terms. For example, the lower left term is ...
5(-4) -4(-1) = -20 +4 = -16
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It works nicely to let a calculator or spreadsheet do the arithmetic.
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![\left[\begin{array}{cc}-7&24\\-16&13\end{array}\right]](https://img.qammunity.org/2022/formulas/mathematics/college/rvytlcewlm4hutj7nbz0qkiszsc3x61qov.png)