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

question 20

Multiple Choice

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

• A) \[9 \left[ \begin{array} { l l }
• 5 & 4 \\
• 2 & 1
• \end{array} \right]\]
• B) \[\frac { 1 } { 5 } \left[ \begin{array} { c c }
• 9 & 4 \\
• - 2 & 37
• \end{array} \right]\]
• C) \[\frac { 1 } { 37 } \left[ \begin{array} { c c }
• 9 & - 2 \\
• - 4 & 5
• \end{array} \right]\]
• D) \[\frac { 1 } { 37 } \left[ \begin{array} { c c }
• 63 & - 14 \\
• - 28 & 35
• \end{array} \right]\]
• E) Does not exist

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