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1. |
If \[A=\left[ \begin{matrix} 2 & 2 \\ -3 & 2 \\ \end{matrix} \right]\] and \[B=\left[ \begin{matrix} 0 & -1 \\ 1 & 0 \\ \end{matrix} \right],\] then \[{{({{B}^{-1}}{{A}^{-1}})}^{-1}}\]= [EAMCET 2001] |
A. | \[\left[ \begin{matrix} 2 & -2 \\ 2 & 3 \\ \end{matrix} \right]\] |
B. | \[\left[ \begin{matrix} 3 & -2 \\ 2 & 2 \\ \end{matrix} \right]\] |
C. | \[\frac{1}{10}\left[ \begin{matrix} 2 & 2 \\ -2 & 3 \\ \end{matrix} \right]\] |
D. | \[\frac{1}{10}\left[ \begin{matrix} 3 & 2 \\ -2 & 2 \\ \end{matrix} \right]\] |
Answer» B. \[\left[ \begin{matrix} 3 & -2 \\ 2 & 2 \\ \end{matrix} \right]\] | |