Линейная алгебра Примеры

[\begin{array}{c} 7 & 8 \end{array}]

$[\begin{array}{c} 7 & 8 \end{array}]$

Этап 1

Multiply each element of

R_{1}

$R_{1}$ by

\frac{1}{7}

$\frac{1}{7}$ to make the entry at

1, 1

$1, 1$ a

1

$1$ .

[\begin{array}{c} \frac{7}{7} & \frac{8}{7} \end{array}]

$[\begin{array}{c} \frac{7}{7} & \frac{8}{7} \end{array}]$

Этап 2

Упростим

R_{1}

$R_{1}$ .

[\begin{array}{c} 1 & \frac{8}{7} \end{array}]

$[\begin{array}{c} 1 & \frac{8}{7} \end{array}]$

[\begin{matrix} 7 & 8 \end{matrix}]

$[\begin{matrix} 7 & 8 \end{matrix}]$

(

)

[

]

√



≥



{

}









≤



∪

∩



























