A) \[\left[ \begin{matrix} -5 & 4 & 0 \\ 0 & 4 & -2 \\ 3 & -9 & 6 \\ \end{matrix} \right]\]
B) \[\left[ \begin{align} & 3 \\ & 1 \\ & 1 \\ \end{align} \right]\]
C) \[\left[ \begin{matrix} -2 & -1 & 4 \\ \end{matrix} \right]\]
D) \[\left[ \begin{matrix} -5 & 8 & 0 \\ 0 & 4 & -3 \\ 1 & -6 & 6 \\ \end{matrix} \right]\]
Correct Answer: C
Solution :
\[AB=[1\,\,2\,\,3]\,\left[ \begin{matrix} -5 & 4 & 0 \\ 0 & 2 & -1 \\ 1 & -3 & 2 \\ \end{matrix} \right]=[-2\,\,-1\,\,\,4]\].You need to login to perform this action.
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