Finite Math Examples

$[\begin{array}{c} 1 & - 2 & 1 & 5 \\ 2 & - 5 & 6 & 11 \\ 2 & - 3 & - 2 & 9 \end{array}]$

Step 1

Transpose the matrix by switching its rows to columns.

$[\begin{array}{c} 1 & 2 & 2 \\ - 2 & - 5 & - 3 \\ 1 & 6 & - 2 \\ 5 & 11 & 9 \end{array}]$