Find the Inverse, If It Exists, for the Matrix $$\left[ \begin{array} { l l l } 2 & - 5 & 4 \\2 & - 4 & 7 \\4 & - 9 & 11\end{array} \right]$$

question 139

Multiple Choice

Find the inverse, if it exists, for the matrix.
- $$\left[ \begin{array} { l l l } 2 & - 5 & 4 \\2 & - 4 & 7 \\4 & - 9 & 11\end{array} \right]$$

• A)
• \[\left[ \begin{array} { c c c }
• 1 & 0 & \frac { 19 } { 2 } \\
• 0 & 1 & 3 \\
• 0 & - \frac { 1 } { 2 } & 0
• \end{array} \right]\]
• B) The inverse does not exist.
• C)
• \(\left[\begin{array}{lll}
• 2 & 2 & 4 \\
• -5 & -4 & -9 \\
• 4 & 7 & 11
• \end{array}\right]\)
• D)
• \(\left[\begin{array}{lll}
• 1 & 0 & \frac{19}{2} \\
• 0 & 1 & 3 \\
• 0 & 0 & 0
• \end{array}\right]\)

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