Find the Inverse of the Matrix $$\left[ \begin{array} { c c } 2 & 4 \\- 6 & - 10\end{array} \right]$$

question 55

Multiple Choice

Find the inverse of the matrix $$\left[ \begin{array} { c c } 2 & 4 \\- 6 & - 10\end{array} \right]$$ .

• A)​ \[\frac { 1 } { 13 } \left[ \begin{array} { l l }
• - 2 & - 4 \\
• - 6 & 10
• \end{array} \right]\]
• B)​ \[\left[ \begin{array} { c c }
• - 2 & - 4 \\
• 10 & 6
• \end{array} \right]\]
• C)​ \[\left[ \begin{array} { c c }
• 2 & - 6 \\
• 8 & - 14
• \end{array} \right]\]
• D)​ \[\frac { 1 } { 7 } \left[ \begin{array} { c c }
• 2 & 4 \\
• - 6 & - 10
• \end{array} \right]\]
• E)​ \[\frac { 1 } { 2 } \left[ \begin{array} { c c }
• - 5 & - 2 \\
• 3 & 1
• \end{array} \right]\]

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