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Recent questions tagged q32a

Let $A=\begin{bmatrix}1 & 2\\1 & 3\end{bmatrix},B=\begin{bmatrix}4 & 0\\1 & 5\end{bmatrix},C=\begin{bmatrix}2 & 0\\1 & 2\end{bmatrix}\;and\;a=4,b=-2.Show\;that:$\[(a)\;A+(B+C)=(A+B)+C\]

asked Dec 22, 2012 by sreemathi.v

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