Álgebra linear Exemplos

$A = [\begin{array}{c} - 8 & - 1 & - 3 \\ 7 & 7 & - 9 \\ 2 & 6 & 1 \end{array}] + [\begin{array}{c} - 2 & - 7 & 4 \\ 2 & - 4 & - 8 \\ 4 & 6 & 4 \end{array}]$

Etapa 1

Adicione os elementos correspondentes.

$A = [\begin{array}{c} - 8 - 2 & - 1 - 7 & - 3 + 4 \\ 7 + 2 & 7 - 4 & - 9 - 8 \\ 2 + 4 & 6 + 6 & 1 + 4 \end{array}]$

Etapa 2

Simplify each element.

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Etapa 2.1

Subtraia $2$ de $- 8$ .

$A = [\begin{array}{c} - 10 & - 1 - 7 & - 3 + 4 \\ 7 + 2 & 7 - 4 & - 9 - 8 \\ 2 + 4 & 6 + 6 & 1 + 4 \end{array}]$

Etapa 2.2

Subtraia $7$ de $- 1$ .

$A = [\begin{array}{c} - 10 & - 8 & - 3 + 4 \\ 7 + 2 & 7 - 4 & - 9 - 8 \\ 2 + 4 & 6 + 6 & 1 + 4 \end{array}]$

Etapa 2.3

Some $- 3$ e $4$ .

$A = [\begin{array}{c} - 10 & - 8 & 1 \\ 7 + 2 & 7 - 4 & - 9 - 8 \\ 2 + 4 & 6 + 6 & 1 + 4 \end{array}]$

Etapa 2.4

Some $7$ e $2$ .

$A = [\begin{array}{c} - 10 & - 8 & 1 \\ 9 & 7 - 4 & - 9 - 8 \\ 2 + 4 & 6 + 6 & 1 + 4 \end{array}]$

Etapa 2.5

Subtraia $4$ de $7$ .

$A = [\begin{array}{c} - 10 & - 8 & 1 \\ 9 & 3 & - 9 - 8 \\ 2 + 4 & 6 + 6 & 1 + 4 \end{array}]$

Etapa 2.6

Subtraia $8$ de $- 9$ .

$A = [\begin{array}{c} - 10 & - 8 & 1 \\ 9 & 3 & - 17 \\ 2 + 4 & 6 + 6 & 1 + 4 \end{array}]$

Etapa 2.7

Some $2$ e $4$ .

$A = [\begin{array}{c} - 10 & - 8 & 1 \\ 9 & 3 & - 17 \\ 6 & 6 + 6 & 1 + 4 \end{array}]$

Etapa 2.8

Some $6$ e $6$ .

$A = [\begin{array}{c} - 10 & - 8 & 1 \\ 9 & 3 & - 17 \\ 6 & 12 & 1 + 4 \end{array}]$

Etapa 2.9

Some $1$ e $4$ .

$A = [\begin{array}{c} - 10 & - 8 & 1 \\ 9 & 3 & - 17 \\ 6 & 12 & 5 \end{array}]$