On using elementary row operation \( R_{1} \rightarrow R_{1}-3 R_{2...

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On using elementary row operation \( R_{1} \rightarrow R_{1}-3 R_{2} \) in the following matrix equation \( \left[\begin{array}{ll}4 & 2 \\ 3 & 3\end{array}\right]=\left[\begin{array}{ll}1 & 2 \\ 0 & 3\end{array}\right]\left[\begin{array}{ll}2 & 0 \\ 1 & 1\end{array}\right] \), we have
 
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