![\left[\begin{array}{cc}-1&2&1&9\end{array}\right]](/tpl/images/2605/2485/5618c.png)
![\left[\begin{array}{cc}1&-4&3&5\end{array}\right]+\left[\begin{array}{cc}-2&6&-2&4\end{array}\right]=\left[\begin{array}{cc}1+(-2)&-4+6&3+(-2)&5+4\end{array}\right]=\left[\begin{array}{cc}-1&2&1&9\end{array}\right]](/tpl/images/2605/2485/a530d.png)
Add the matrices. Help please
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Answers: 2
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