Finite Math Examples

$[\begin{array}{c} 0 & 1 & 3 \\ 1 & 0 & 5 \end{array}]$

Step 1

Swap $R_{2}$ with $R_{1}$ to put a nonzero entry at $1, 1$ .

$[\begin{array}{c} 1 & 0 & 5 \\ 0 & 1 & 3 \end{array}]$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$