What is the transpose of the matrix A=(123456)A = \begin{pmatrix} 1 & 2 \\ 3 & 4 \\ 5 & 6 \end{pmatrix}A=135246?
(135246)\begin{pmatrix} 1 & 3 & 5 \\ 2 & 4 & 6 \end{pmatrix}(123456)
(123456)\begin{pmatrix} 1 & 2 \\ 3 & 4 \\ 5 & 6 \end{pmatrix}135246
(563412)\begin{pmatrix} 5 & 6 \\ 3 & 4 \\ 1 & 2 \end{pmatrix}531642
(214365)\begin{pmatrix} 2 & 1 \\ 4 & 3 \\ 6 & 5 \end{pmatrix}246135