Álgebra Exemplos

3

$3$

Etapa 1

A matriz identidade ou matriz unitária de tamanho

3

$3$ é a matriz quadrada

3 \times 3

$3 \times 3$ com números "um" na diagonal principal e zeros nos outros lugares.

[\begin{array}{c} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{array}]

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

Etapa 2

Multiplique o produto escalar

3

$3$ pela matriz identidade.

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

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

Etapa 3

Simplifique.

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Etapa 3.1

Multiplique

3

$3$ por cada elemento da matriz.

[\begin{array}{c} 3 \cdot 1 & 3 \cdot 0 & 3 \cdot 0 \\ 3 \cdot 0 & 3 \cdot 1 & 3 \cdot 0 \\ 3 \cdot 0 & 3 \cdot 0 & 3 \cdot 1 \end{array}]

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

Etapa 3.2

Simplifique cada elemento da matriz.

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Etapa 3.2.1

Multiplique

3

$3$ por

1

$1$ .

[\begin{array}{c} 3 & 3 \cdot 0 & 3 \cdot 0 \\ 3 \cdot 0 & 3 \cdot 1 & 3 \cdot 0 \\ 3 \cdot 0 & 3 \cdot 0 & 3 \cdot 1 \end{array}]

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

Etapa 3.2.2

Multiplique

3

$3$ por

0

$0$ .

[\begin{array}{c} 3 & 0 & 3 \cdot 0 \\ 3 \cdot 0 & 3 \cdot 1 & 3 \cdot 0 \\ 3 \cdot 0 & 3 \cdot 0 & 3 \cdot 1 \end{array}]

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

Etapa 3.2.3

Multiplique

3

$3$ por

0

$0$ .

[\begin{array}{c} 3 & 0 & 0 \\ 3 \cdot 0 & 3 \cdot 1 & 3 \cdot 0 \\ 3 \cdot 0 & 3 \cdot 0 & 3 \cdot 1 \end{array}]

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

Etapa 3.2.4

Multiplique

3

$3$ por

0

$0$ .

[\begin{array}{c} 3 & 0 & 0 \\ 0 & 3 \cdot 1 & 3 \cdot 0 \\ 3 \cdot 0 & 3 \cdot 0 & 3 \cdot 1 \end{array}]

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

Etapa 3.2.5

Multiplique

3

$3$ por

1

$1$ .

[\begin{array}{c} 3 & 0 & 0 \\ 0 & 3 & 3 \cdot 0 \\ 3 \cdot 0 & 3 \cdot 0 & 3 \cdot 1 \end{array}]

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

Etapa 3.2.6

Multiplique

3

$3$ por

0

$0$ .

[\begin{array}{c} 3 & 0 & 0 \\ 0 & 3 & 0 \\ 3 \cdot 0 & 3 \cdot 0 & 3 \cdot 1 \end{array}]

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

Etapa 3.2.7

Multiplique

3

$3$ por

0

$0$ .

[\begin{array}{c} 3 & 0 & 0 \\ 0 & 3 & 0 \\ 0 & 3 \cdot 0 & 3 \cdot 1 \end{array}]

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

Etapa 3.2.8

Multiplique

3

$3$ por

0

$0$ .

[\begin{array}{c} 3 & 0 & 0 \\ 0 & 3 & 0 \\ 0 & 0 & 3 \cdot 1 \end{array}]

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

Etapa 3.2.9

Multiplique

3

$3$ por

1

$1$ .

[\begin{array}{c} 3 & 0 & 0 \\ 0 & 3 & 0 \\ 0 & 0 & 3 \end{array}]

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

[\begin{array}{c} 3 & 0 & 0 \\ 0 & 3 & 0 \\ 0 & 0 & 3 \end{array}]

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

[\begin{array}{c} 3 & 0 & 0 \\ 0 & 3 & 0 \\ 0 & 0 & 3 \end{array}]

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

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