Let \(A\) is a square matrix of order \(4\), then determinant of \(adj(A)\) is

\(\left|A\right|^2\) \(\left|A\right|^3\) \(\left|A\right|^4\) \(0\)

\(\left|A\right|^3\)

\((adj A)A=\left|A\right|I\)