Question: 8 p1: Given $A=left(begin{array}{cc}3 & -2 12 & -3end{array} ight) $ and $B=left(begin{array}{cc}4 & 0111&-2end{array} ight)$, find the following matrices: a $2 B$ (2 marks)

8 p1: Given $A=\left(\begin{array}{cc}3 & -2 12 & -3\end{array} ight) $ and $B=\left(\begin{array}{cc}4 & 0111&-2\end{array} ight)$, find the following matrices: a $2 B$ (2 marks) b $A-B$ (2 marks) C $A B$ (2 marks) d $(A+B)^{2}$ (2 marks) CS.JG. 100
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