Use a Graphing Calcula Tor to Find the Inverse of the Matrix

question 83

Multiple Choice

Use a graphing calcula tor to find the inverse of the matrix. Give five decimal places, if necessary.
- $$A = \left[ \begin{array} { c c c } 1 / 3 & 2 / 7 & 4 / 5 \\17 / 11 & 5 & 0 \\18 / 13 & - 5 / 6 & 8 / 7\end{array} \right]$$

• A)
• \[\left[ \begin{array} { r r r }
• 2.65952 & 0.15830 & - 1.86167 \\
• - 9.04238 & - 0.33824 & 6.32966 \\
• 3.37129 & 0.05484 & - 1.48490
• \end{array} \right]\]
• B)
• \(\left[ \begin{array} { r r r } - 1.10557 & 0.19216 & 0.77390 \\ 0.34172 & 0.14061 & - 0.23920 \\ 1.58861 & - 0.13028 & - 0.23703 \end{array} \right]\)
• \[\left[ \begin{array} { l l l }
• 0 & 0 & 1 \\
• 0 & 1 & 0 \\
• 1 & 0 & 0
• \end{array} \right]\]
• C)
• \(\left[\begin{array}{lll}
• 0 & 0 & 1 \\
• 0 & 1 & 0 \\
• 1 & 0 & 0
• \end{array}\right]\)
• D)
• \[\left[ \begin{array} { c c c }
• 3 & 3.5 & 1.25 \\
• 0.64706 & 5 & 0 \\
• 0.72222 & - 1.2 & 1.14286
• \end{array} \right]\]

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