![\left[\begin{array}{cc}0&-1\\-1&0\\-1&-1\end{array}\right]](/tpl/images/0277/4824/79b97.png)
![=\left[\begin{array}{cc}-1&0\\1&-2\\1&3\end{array}\right]-\left[\begin{array}{cc}-1&1\\2&-2\\2&4\end{array}\right] \\=\left[\begin{array}{cc}-1-(-1)&0-1\\1-2&-2-(-2)\\1-2&3-4\end{array}\right]\\=\left[\begin{array}{cc}-1+1&-1\\-1&-2+2\\-1&-1\end{array}\right]\\=\left[\begin{array}{cc}0&-1\\-1&0\\-1&-1\end{array}\right]](/tpl/images/0277/4824/79d91.png)
Add & subtract matrices
plz give the answer .. .
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