Find the adjoint of the given matrix and verify in each case that \...

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Find the adjoint of the given matrix and verify in each case that \( A \cdot(\operatorname{adj} A)=(\operatorname{adj} A) \cdot A=|A| \cdot I \).
\( \mathrm{P} \)
W
\[
\left[\begin{array}{rrr}
9 & 7 & 3 \\
5 & -1 & 4 \\
6 & 8 & 2
\end{array}\right]
\]
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