Let's say we have an invertible matrix $A$ and both $A$ and $A^{-1}$ members are whole numbers.
is it always true that $\det A = \det A^{-1}$?
Let's say we have an invertible matrix $A$ and both $A$ and $A^{-1}$ members are whole numbers.
is it always true that $\det A = \det A^{-1}$?