![\left[\begin{array}{cc}7&1\\3&-3\end{array}\right]](/tpl/images/0501/9316/f74c8.png)
![= \left[\begin{array}{cc}3&1\\0&-2\end{array}\right] + \left[\begin{array}{cc}4&0\\3&-1\end{array}\right]\\= \left[\begin{array}{cc}3+4&1+0\\0+3&-2+(-1)\end{array}\right]\\=\left[\begin{array}{cc}7&1\\3&-3\end{array}\right]](/tpl/images/0501/9316/8e24d.png)
![\left[\begin{array}{ccc}3&1\\0&-2\end{array}\right]](/tpl/images/0501/9316/3ecc3.png)
![\left[\begin{array}{ccc}4&0\\3&-1\end{array}\right]](/tpl/images/0501/9316/c9c97.png)
![\left[\begin{array}{ccc}3+4&1+0\\0+3&-2+(-1)\end{array}\right]=\\\left[\begin{array}{ccc}3+4&1+0\\0+3&-2-1\end{array}\right]=\\\left[\begin{array}{ccc}7&1\\3&-3\end{array}\right]](/tpl/images/0501/9316/7591a.png)
![\left[\begin{array}{ccc}7&1\\3&-3\end{array}\right]](/tpl/images/0501/9316/b1ee4.png)
Add & subtract matrices
plz give the answer .. .
...
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