A) \[\left[ \begin{matrix} -6 & 5 \\ -7 & 6 \\ \end{matrix} \right]\]
B) \[\left[ \begin{matrix} 6 & -5 \\ -7 & 6 \\ \end{matrix} \right]\]
C) \[\left[ \begin{matrix} 6 & 5 \\ 7 & 6 \\ \end{matrix} \right]\]
D) \[\left[ \begin{matrix} 6 & -5 \\ 7 & -6 \\ \end{matrix} \right]\]
Correct Answer: A
Solution :
Since\[\left[ \begin{matrix} -6 & 5 \\ -7 & 6 \\ \end{matrix} \right]\,\,\left[ \begin{matrix} -6 & 5 \\ -7 & 6 \\ \end{matrix} \right]=\left[ \begin{matrix} 1 & 0 \\ 0 & 1 \\ \end{matrix} \right]\].You need to login to perform this action.
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