Find Reduced Row Echelon Form [[1,0,0,4],[3,1,0,11/3],[0,-3,0,25]]

$[\begin{array}{c} 1 & 0 & 0 & 4 \\ 3 & 1 & 0 & \frac{11}{3} \\ 0 & - 3 & 0 & 25 \end{array}]$

Perform the row operation $R_{2} = - 3 \cdot R_{1} + R_{2}$ on $R_{2}$ (row $2$ ) in order to convert some elements in the row to $0$ .

Replace $R_{2}$ (row $2$ ) with the row operation $R_{2} = - 3 \cdot R_{1} + R_{2}$ in order to convert some elements in the row to the desired value $0$ .

$[\begin{array}{c} 1 & 0 & 0 & 4 \\ - 3 \cdot R_{1} + R_{2} & - 3 \cdot R_{1} + R_{2} & - 3 \cdot R_{1} + R_{2} & - 3 \cdot R_{1} + R_{2} \\ 0 & - 3 & 0 & 25 \end{array}]$

$R_{2} = - 3 \cdot R_{1} + R_{2}$

Replace $R_{2}$ (row $2$ ) with the actual values of the elements for the row operation $R_{2} = - 3 \cdot R_{1} + R_{2}$ .

$[\begin{array}{c} 1 & 0 & 0 & 4 \\ (- 3) \cdot (1) + 3 & (- 3) \cdot (0) + 1 & (- 3) \cdot (0) + 0 & (- 3) \cdot (4) + \frac{11}{3} \\ 0 & - 3 & 0 & 25 \end{array}]$

$R_{2} = - 3 \cdot R_{1} + R_{2}$

Simplify $R_{2}$ (row $2$ ).

$[\begin{array}{c} 1 & 0 & 0 & 4 \\ 0 & 1 & 0 & - \frac{25}{3} \\ 0 & - 3 & 0 & 25 \end{array}]$

Perform the row operation $R_{3} = 3 \cdot R_{2} + R_{3}$ on $R_{3}$ (row $3$ ) in order to convert some elements in the row to $0$ .

Replace $R_{3}$ (row $3$ ) with the row operation $R_{3} = 3 \cdot R_{2} + R_{3}$ in order to convert some elements in the row to the desired value $0$ .

$[\begin{array}{c} 1 & 0 & 0 & 4 \\ 0 & 1 & 0 & - \frac{25}{3} \\ 3 \cdot R_{2} + R_{3} & 3 \cdot R_{2} + R_{3} & 3 \cdot R_{2} + R_{3} & 3 \cdot R_{2} + R_{3} \end{array}]$

$R_{3} = 3 \cdot R_{2} + R_{3}$

Replace $R_{3}$ (row $3$ ) with the actual values of the elements for the row operation $R_{3} = 3 \cdot R_{2} + R_{3}$ .

$[\begin{array}{c} 1 & 0 & 0 & 4 \\ 0 & 1 & 0 & - \frac{25}{3} \\ (3) \cdot (0) + 0 & (3) \cdot (1) - 3 & (3) \cdot (0) + 0 & (3) \cdot (- \frac{25}{3}) + 25 \end{array}]$

$R_{3} = 3 \cdot R_{2} + R_{3}$

Simplify $R_{3}$ (row $3$ ).

$[\begin{array}{c} 1 & 0 & 0 & 4 \\ 0 & 1 & 0 & - \frac{25}{3} \\ 0 & 0 & 0 & 0 \end{array}]$

Find Reduced Row Echelon Form [[1,0,0,4],[3,1,0,11/3],[0,-3,0,25]]

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