Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative

question 82

Multiple Choice

Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative Inverse of a Square Matrix
- $$\mathrm { A } = \left[ \begin{array} { r r r } 1 & 0 & 0 \\- 1 & 1 & 0 \\1 & 1 & 1\end{array} \right]$$

• A)
• \[\left[ \begin{array} { r r r }
• 1 & 0 & 0 \\
• 1 & 1 & 0 \\
• - 2 & - 1 & 1
• \end{array} \right]\]
• B)
• \(\left[ \begin{array} { l l l } 1 & 1 & 1 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r r } 1 & - 1 & 1 \\ 0 & 1 & - 1 \\ 0 & 0 & 1 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r r } - 1 & 0 & 0 \\ - 1 & - 1 & 0 \\ - 1 & - 1 & - 1 \end{array} \right]\)

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