행렬 $A= \left [\begin{matrix*}[r] 9 & 6 & 1 & 6 & 4 \\ 5 & 6 & 0 & 5 & 9 \\ 6 & 4 & 4 & 1 & 7 \\ 0 & 3 & 5 & 0 & 7 \\ 4 & 0 & 4 & 1 & 3 \end{matrix*} \right]$ 의 역행렬 $A^ {-1}$ 의 $1$ 행 $2$ 열 성분은?

(단. $|A|$ 는 $A$ 의 행렬식)

• ①$\displaystyle \frac{\left | \begin{matrix*}[r] 5 & 0 & 5 & 9 \\ 6 & 4 & 1 & 7 \\ 0 & 5 & 0 & 7 \\ 4 & 4 & 1 & 3 \end{matrix*} \right |} {\vert A \vert}$
• ②$\displaystyle \frac{\left | \begin{matrix*}[r] 5 & 0 & 5 & 9 \\ 6 & 4 & 1 & 7 \\ 0 & 5 & 0 & 7 \\ 4 & 4 & 1 & 3 \end{matrix*} \right |} {- \vert A \vert}$
• ③$\displaystyle \frac{\left | \begin{matrix*}[r] 6 & 1 & 6 & 4 \\ 4 & 4 & 1 & 7 \\ 3 & 5 & 0 & 7 \\ 0 & 4 & 1 & 3 \end{matrix*} \right |} {\vert A \vert}$
• ④$\displaystyle \frac{\left | \begin{matrix*}[r] 6 & 1 & 6 & 4 \\ 4 & 4 & 1 & 7 \\ 3 & 5 & 0 & 7 \\ 0 & 4 & 1 & 3 \end{matrix*} \right |} {- \vert A \vert}$
• ⑤$\displaystyle \frac{\left | \begin{matrix*}[r] 6 & 0 & 5 & 9 \\ 4 & 4 & 1 & 7 \\ 3 & 5 & 0 & 7 \\ 0 & 4 & 1 & 3 \end{matrix*} \right |} {\vert A \vert}$