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QUESTION

Express $(\textbf{CD})^{-1}$ in terms of the matrices
$\textbf{C}^{-1}$ and $\textbf{D}^{-1}$.


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ANSWER

$(\textbf{CD})^{-1}=\textbf{D}^{-1}\textbf{C}^{-1}$




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