If 
verify that (A’)’ = A.
Transpose of a matrix is obtained by interchanging the rows and the columns of matrix A. It is denoted by A’.
e.g. A12 = A21
Hence transpose of matrix A is,
(A')' = A
Hence, Proved.
1
If verify that (A’)’ = A.
Transpose of a matrix is obtained by interchanging the rows and the columns of matrix A. It is denoted by A’.
e.g. A12 = A21
Hence transpose of matrix A is,