Answer:
Explanation:
Step-by-step explanation is given in the image attached. This has been solved by elementary column transformations.
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![\left[\begin{array}{ccc}5&(1)/(2) \\4&1\\\end{array}\right]](https://img.qammunity.org/2024/formulas/mathematics/high-school/3kjbe1niy7hvph5hvyolqyyogj4mrmd6sf.png)