What Is Element $a _ { 11 }$ Of the Inverse of the Following Matrix

question 33

Multiple Choice

What is element $a _ { 11 }$ of the inverse of the following matrix?
$$\left[ \begin{array} { c c } 16 & 1 \\1 & 8\end{array} \right]$$

• A) \(\frac { 8 } { 257 }\)
• B) \(\frac { 8 } { 127 }\)
• C) \(- \frac { 16 } { 127 }\)
• D) \(- \frac { 8 } { 127 }\)
• E) \(\frac { 16 } { 127 }\)