If A is an invertible matrix of order `n` then determinant of `adj(A)` is equal to

If A is an invertible matrix of order n, then the determinant of adj A is equal to

Fill in the blanks : If A is an invertible matrix of order nxxn (nge2) . Then adj (adj A) is equal to …………… .

If A is a square matrix of order n, then |adj A|=

If A is an invertible matrix of order 3 and |A|=5, then find |adj.A|.

If A is an invertible matrix of order 2, then det (A^(-1)) is equal to …….