Answers: 2
![C=\left[\begin{array}{cc}a&b\\c&d\\\end{array}\right]](/tpl/images/0036/7970/fbb34.png)
and ![D=\left[\begin{array}{cc}e&f\\g&h\\\end{array}\right]](/tpl/images/0036/7970/c2f24.png)
![C+D=\left[\begin{array}{cc}a+e&b+f\\c+g&d+h\\\end{array}\right]](/tpl/images/0036/7970/8b598.png)
![A+B=\left[\begin{array}{cccc}3+2&0+8&0+6&-1+3\\\end{array}\right]](/tpl/images/0036/7970/b8b6f.png)
![A+B=\left[\begin{array}{cccc}5&10&6&2\\\end{array}\right]](/tpl/images/0036/7970/6222f.png)
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A=[ 3 2 0 -1] b=[ 2 8 6 3] what is matrix a + matrix b?...
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