Question

If A is a square matrix, then write the matrix adj (A^T) − (adj A)^T.

Answer 1

\[\text{ In a non - singular matrix, }adj A^T = \left( adj A \right)^T . \]
\[ \Rightarrow \left( adj A^T \right) - \left( adj A \right)^T =\text{  Null matrix }\]