الجبر الأمثلة

$[\begin{array}{c} 1 & 0 & 0 & 5 \\ 0 & 2 & 0 & 8 \\ 0 & 0 & 3 & 9 \end{array}]$

خطوة 1

Multiply each element of $R_{2}$ by $\frac{1}{2}$ to make the entry at $2, 2$ a $1$ .

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خطوة 1.1

Multiply each element of $R_{2}$ by $\frac{1}{2}$ to make the entry at $2, 2$ a $1$ .

$[\begin{array}{c} 1 & 0 & 0 & 5 \\ \frac{0}{2} & \frac{2}{2} & \frac{0}{2} & \frac{8}{2} \\ 0 & 0 & 3 & 9 \end{array}]$

خطوة 1.2

بسّط $R_{2}$ .

$[\begin{array}{c} 1 & 0 & 0 & 5 \\ 0 & 1 & 0 & 4 \\ 0 & 0 & 3 & 9 \end{array}]$

خطوة 2

Multiply each element of $R_{3}$ by $\frac{1}{3}$ to make the entry at $3, 3$ a $1$ .

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خطوة 2.1

Multiply each element of $R_{3}$ by $\frac{1}{3}$ to make the entry at $3, 3$ a $1$ .

$[\begin{array}{c} 1 & 0 & 0 & 5 \\ 0 & 1 & 0 & 4 \\ \frac{0}{3} & \frac{0}{3} & \frac{3}{3} & \frac{9}{3} \end{array}]$

خطوة 2.2

بسّط $R_{3}$ .

$[\begin{array}{c} 1 & 0 & 0 & 5 \\ 0 & 1 & 0 & 4 \\ 0 & 0 & 1 & 3 \end{array}]$