Álgebra linear Exemplos

$[\begin{array}{c} 1 & - 1 \\ 2 & - 1 \end{array}] - [\begin{array}{c} 2 & - 1 \\ - 1 & 8 \end{array}]$

Etapa 1

Subtraia os elementos correspondentes.

$[\begin{array}{c} 1 - 2 & - 1 + 1 \\ 2 + 1 & - 1 - 8 \end{array}]$

Etapa 2

Simplify each element.

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Etapa 2.1

Subtraia $2$ de $1$ .

$[\begin{array}{c} - 1 & - 1 + 1 \\ 2 + 1 & - 1 - 8 \end{array}]$

Etapa 2.2

Some $- 1$ e $1$ .

$[\begin{array}{c} - 1 & 0 \\ 2 + 1 & - 1 - 8 \end{array}]$

Etapa 2.3

Some $2$ e $1$ .

$[\begin{array}{c} - 1 & 0 \\ 3 & - 1 - 8 \end{array}]$

Etapa 2.4

Subtraia $8$ de $- 1$ .

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