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Math  /  Algebra

QuestionConsider the following matrix. A=[2103−1201−1]A=\left[\begin{array}{ccc} 2 & 1 & 0 \\ 3 & -1 & 2 \\ 0 & 1 & -1 \end{array}\right]
Choose the correct description of AA. Find A−1A^{-1} if it exists.

Studdy Solution
The inverse of matrix AA is: A−1=−1123−2−43−2−5A^{-1} = \begin{array}{ccc} -1 & 1 & 2 \\ 3 & -2 & -4 \\ 3 & -2 & -5 \end{array}

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