Finite Math Examples

$[\begin{array}{c} 1 & - 1 \\ 1 & 1 \\ - 1 & - 1 \end{array}]$

Step 1

Transpose the matrix by switching its rows to columns.

$[\begin{array}{c} 1 & 1 & - 1 \\ - 1 & 1 & - 1 \end{array}]$