Find the Inverse of the Matrix (If It Exists) $$\left[ \begin{array} { l l } 3 & 0 \\0 & 4\end{array} \right]$$

question 169

Multiple Choice

Find the inverse of the matrix (if it exists) . $$\left[ \begin{array} { l l } 3 & 0 \\0 & 4\end{array} \right]$$

• A) \(\left[ \begin{array} { l l }
• \frac { 1 } { 4 } & 0 \\
• 0 & \frac { 1 } { 4 }
• \end{array} \right]\)
• B) \(\left[ \begin{array} { l l }
• \frac { 1 } { 4 } & 0 \\
• 0 & 0
• \end{array} \right]\)
• C) \(\left[ \begin{array} { c c }
• 0 & \frac { 1 } { 4 } \\
• \frac { 1 } { 4 } & 0
• \end{array} \right]\)
• D) \(\left[ \begin{array} { l l }
• \frac { 1 } { 4 } & 0 \\
• 0 & \frac { 1 } { 3 }
• \end{array} \right]\)
• E) \(\left[ \begin{array} { l l }
• \frac { 1 } { 3 } & 0 \\
• 0 & \frac { 1 } { 4 }
• \end{array} \right]\)

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Definitions:

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