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