Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative

question 17

Multiple Choice

Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative Inverse of a Square Matrix
- $A = \left[ \begin{array} { r r } - 5 & 6 \\ - 2 & - 3 \end{array} \right]$

• A)
• \[\left[ \begin{array} { c }
• - \frac { 1 } { 9 } - \frac { 2 } { 9 } \\
• \frac { 2 } { 27 } - \frac { 5 } { 27 }
• \end{array} \right]\]
• B)
• \[
• \left[\begin{array}{cc}
• -\frac{1}{9} & \frac{2}{9} \\
• -\frac{2}{27} & -\frac{5}{27}
• \end{array}\right]
• \]
• C)
• \(\left[\begin{array}{c}
• \frac{2}{27}-\frac{5}{27} \\
• -\frac{1}{9}-\frac{2}{9}
• \end{array}\right]\)
• D)
• \[
• \left[\begin{array}{c}
• -\frac{5}{27}-\frac{2}{9} \\
• \frac{2}{27}-\frac{1}{9}
• \end{array}\right]
• \]

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