Let $A$ be non singular square matrix of order $5 imes 5$. Then ladj $A$ is equal to

Question

Let $A$ be non singular square matrix of order $5 	imes 5$. Then ladj $A$ is equal to

Professor PC Thomas Classes · Answer

For order $n$, $|	ext{adj } A| = |A|^{n-1} = |A|^4$.