![\left[\begin{array}{ccc}2&-8&22\\1&7&0\end{array}\right] \longrightarrow \left[\begin{array}{ccc}1&-4&11\\1&7&0\end{array}\right]](/tpl/images/1376/9749/9a07e.png)
![\left[\begin{array}{ccc}1&-4&11\\1&7&11\end{array}\right] \longrightarrow \left[\begin{array}{ccc}1&-4&11\\0&11&-11\end{array}\right]](/tpl/images/1376/9749/1d9b7.png)
![\left[\begin{array}{ccc}1&-4&11\\0&11&-11\end{array}\right] \longrightarrow \left[\begin{array}{ccc}1&-4&11\\0&1&-1\end{array}\right]](/tpl/images/1376/9749/c396d.png)
![\left[\begin{array}{ccc}1&-4&11\\0&1&-1\end{array}\right]\longrightarrow \left[\begin{array}{ccc}1&0&7\\0&1&-1\end{array}\right]](/tpl/images/1376/9749/fab6e.png)
![\left[\begin{array}{ccc}2&-8&22\\1&7&0\end{array}\right] \longrightarrow \left[\begin{array}{ccc}1&-4&11\\1&7&0\end{array}\right] \longrightarrow \left[\begin{array}{ccc}1&-4&11\\0&11&-11\end{array}\right]](/tpl/images/1376/9749/648b4.png)
![\longrightarrow \left[\begin{array}{ccc}1&-4&11\\0&1&-1\end{array}\right] \longrightarrow \left[\begin{array}{ccc}1&0&7\\0&1&-1\end{array}\right]](/tpl/images/1376/9749/a3896.png)
I don't understand how to do this at all, and I need to have the work shown.
...
Mathematics, 16.06.2021 22:10 louie4052
I don't understand how to do this at all, and I need to have the work shown.
Answers: 1
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