Álgebra Ejemplos

[\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}]

$[\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}]$

Paso 1

Establece la fórmula para obtener la ecuación característica

p (λ)

$p (λ)$ .

p (λ) = determinante (A - λ I_{3})

$p (λ) = determinante (A - λ I_{3})$

Paso 2

La matriz de identidades o matriz unidad de tamaño

3

$3$ es la matriz cuadrada

3 \times 3

$3 \times 3$ con unos en la diagonal principal y ceros en los otros lugares.

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

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

Paso 3

Sustituye los valores conocidos en

p (λ) = determinante (A - λ I_{3})

$p (λ) = determinante (A - λ I_{3})$ .

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Paso 3.1

Sustituye

[\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}]

$[\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}]$ por

A

$A$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] - λ I_{3})

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] - λ I_{3})$

Paso 3.2

Sustituye

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

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

I_{3}

$I_{3}$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] - λ [\begin{array}{c} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] - λ [\begin{array}{c} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{array}])$

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] - λ [\begin{array}{c} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] - λ [\begin{array}{c} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{array}])$

Paso 4

Simplifica.

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Paso 4.1

Simplifica cada término.

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Paso 4.1.1

Multiplica

- λ

$- λ$ por cada elemento de la matriz.

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ \cdot 1 & - λ \cdot 0 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ \cdot 1 & - λ \cdot 0 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

Paso 4.1.2

Simplifica cada elemento de la matriz.

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Paso 4.1.2.1

Multiplica

- 1

$- 1$ por

1

$1$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & - λ \cdot 0 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & - λ \cdot 0 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

Paso 4.1.2.2

Multiplica

- λ \cdot 0

$- λ \cdot 0$ .

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Paso 4.1.2.2.1

Multiplica

0

$0$ por

- 1

$- 1$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 λ & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 λ & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

Paso 4.1.2.2.2

Multiplica

0

$0$ por

λ

$λ$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

Paso 4.1.2.3

Multiplica

- λ \cdot 0

$- λ \cdot 0$ .

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Paso 4.1.2.3.1

Multiplica

0

$0$ por

- 1

$- 1$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 λ \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 λ \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

Paso 4.1.2.3.2

Multiplica

0

$0$ por

λ

$λ$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ - λ \cdot 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

Paso 4.1.2.4

Multiplica

- λ \cdot 0

$- λ \cdot 0$ .

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Paso 4.1.2.4.1

Multiplica

0

$0$ por

- 1

$- 1$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 λ & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 λ & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

Paso 4.1.2.4.2

Multiplica

0

$0$ por

λ

$λ$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ \cdot 1 & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

Paso 4.1.2.5

Multiplica

- 1

$- 1$ por

1

$1$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & - λ \cdot 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

Paso 4.1.2.6

Multiplica

- λ \cdot 0

$- λ \cdot 0$ .

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Paso 4.1.2.6.1

Multiplica

0

$0$ por

- 1

$- 1$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 λ \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 λ \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

Paso 4.1.2.6.2

Multiplica

0

$0$ por

λ

$λ$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ - λ \cdot 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

Paso 4.1.2.7

Multiplica

- λ \cdot 0

$- λ \cdot 0$ .

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Paso 4.1.2.7.1

Multiplica

0

$0$ por

- 1

$- 1$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 λ & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 λ & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

Paso 4.1.2.7.2

Multiplica

0

$0$ por

λ

$λ$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & - λ \cdot 0 & - λ \cdot 1 \end{array}])$

Paso 4.1.2.8

Multiplica

- λ \cdot 0

$- λ \cdot 0$ .

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Paso 4.1.2.8.1

Multiplica

0

$0$ por

- 1

$- 1$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 λ & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 λ & - λ \cdot 1 \end{array}])$

Paso 4.1.2.8.2

Multiplica

0

$0$ por

λ

$λ$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 & - λ \cdot 1 \end{array}])$

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 & - λ \cdot 1 \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 & - λ \cdot 1 \end{array}])$

Paso 4.1.2.9

Multiplica

- 1

$- 1$ por

1

$1$ .

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 & - λ \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 & - λ \end{array}])$

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 & - λ \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 & - λ \end{array}])$

p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 & - λ \end{array}])

$p (λ) = determinante ([\begin{array}{c} 9 & 8 & 7 \\ 3 & 4 & 5 \\ 2 & 1 & 0 \end{array}] + [\begin{array}{c} - λ & 0 & 0 \\ 0 & - λ & 0 \\ 0 & 0 & - λ \end{array}])$

Paso 4.2

Suma los elementos correspondientes.

p (λ) = determinante [\begin{array}{c} 9 - λ & 8 + 0 & 7 + 0 \\ 3 + 0 & 4 - λ & 5 + 0 \\ 2 + 0 & 1 + 0 & 0 - λ \end{array}]

$p (λ) = determinante [\begin{array}{c} 9 - λ & 8 + 0 & 7 + 0 \\ 3 + 0 & 4 - λ & 5 + 0 \\ 2 + 0 & 1 + 0 & 0 - λ \end{array}]$

Paso 4.3

Simplify each element.

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Paso 4.3.1

Suma

8

$8$ y

0

$0$ .

p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 + 0 \\ 3 + 0 & 4 - λ & 5 + 0 \\ 2 + 0 & 1 + 0 & 0 - λ \end{array}]

$p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 + 0 \\ 3 + 0 & 4 - λ & 5 + 0 \\ 2 + 0 & 1 + 0 & 0 - λ \end{array}]$

Paso 4.3.2

Suma

7

$7$ y

0

$0$ .

p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 + 0 & 4 - λ & 5 + 0 \\ 2 + 0 & 1 + 0 & 0 - λ \end{array}]

$p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 + 0 & 4 - λ & 5 + 0 \\ 2 + 0 & 1 + 0 & 0 - λ \end{array}]$

Paso 4.3.3

Suma

3

$3$ y

0

$0$ .

p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 + 0 \\ 2 + 0 & 1 + 0 & 0 - λ \end{array}]

$p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 + 0 \\ 2 + 0 & 1 + 0 & 0 - λ \end{array}]$

Paso 4.3.4

Suma

5

$5$ y

0

$0$ .

p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 + 0 & 1 + 0 & 0 - λ \end{array}]

$p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 + 0 & 1 + 0 & 0 - λ \end{array}]$

Paso 4.3.5

Suma

2

$2$ y

0

$0$ .

p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 & 1 + 0 & 0 - λ \end{array}]

$p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 & 1 + 0 & 0 - λ \end{array}]$

Paso 4.3.6

Suma

1

$1$ y

0

$0$ .

p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 & 1 & 0 - λ \end{array}]

$p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 & 1 & 0 - λ \end{array}]$

Paso 4.3.7

Resta

λ

$λ$ de

0

$0$ .

p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 & 1 & - λ \end{array}]

$p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 & 1 & - λ \end{array}]$

p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 & 1 & - λ \end{array}]

$p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 & 1 & - λ \end{array}]$

p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 & 1 & - λ \end{array}]

$p (λ) = determinante [\begin{array}{c} 9 - λ & 8 & 7 \\ 3 & 4 - λ & 5 \\ 2 & 1 & - λ \end{array}]$

Paso 5

Find the determinant.

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Paso 5.1

Choose the row or column with the most

0

$0$ elements. If there are no

0

$0$ elements choose any row or column. Multiply every element in row

1

$1$ by its cofactor and add.

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Paso 5.1.1

Consider the corresponding sign chart.

| \begin{array}{c} + & - & + \\ - & + & - \\ + & - & + \end{array} |

$| \begin{array}{c} + & - & + \\ - & + & - \\ + & - & + \end{array} |$

Paso 5.1.2

The cofactor is the minor with the sign changed if the indices match a

-

$-$ position on the sign chart.

Paso 5.1.3

The minor for

a_{11}

$a_{11}$ is the determinant with row

1

$1$ and column

1

$1$ deleted.

| \begin{array}{c} 4 - λ & 5 \\ 1 & - λ \end{array} |

$| \begin{array}{c} 4 - λ & 5 \\ 1 & - λ \end{array} |$

Paso 5.1.4

Multiply element

a_{11}

$a_{11}$ by its cofactor.

(9 - λ) | \begin{array}{c} 4 - λ & 5 \\ 1 & - λ \end{array} |

$(9 - λ) | \begin{array}{c} 4 - λ & 5 \\ 1 & - λ \end{array} |$

Paso 5.1.5

The minor for

a_{12}

$a_{12}$ is the determinant with row

1

$1$ and column

2

$2$ deleted.

| \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} |

$| \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} |$

Paso 5.1.6

Multiply element

a_{12}

$a_{12}$ by its cofactor.

- 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} |

$- 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} |$

Paso 5.1.7

The minor for

a_{13}

$a_{13}$ is the determinant with row

1

$1$ and column

3

$3$ deleted.

| \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$| \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.1.8

Multiply element

a_{13}

$a_{13}$ by its cofactor.

7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.1.9

Add the terms together.

p (λ) = (9 - λ) | \begin{array}{c} 4 - λ & 5 \\ 1 & - λ \end{array} | - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) | \begin{array}{c} 4 - λ & 5 \\ 1 & - λ \end{array} | - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

p (λ) = (9 - λ) | \begin{array}{c} 4 - λ & 5 \\ 1 & - λ \end{array} | - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) | \begin{array}{c} 4 - λ & 5 \\ 1 & - λ \end{array} | - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.2

Evalúa

| \begin{array}{c} 4 - λ & 5 \\ 1 & - λ \end{array} |

$| \begin{array}{c} 4 - λ & 5 \\ 1 & - λ \end{array} |$ .

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Paso 5.2.1

El determinante de una matriz

2 \times 2

$2 \times 2$ puede obtenerse usando la fórmula

| \begin{array}{c} a & b \\ c & d \end{array} | = a d - c b

$| \begin{array}{c} a & b \\ c & d \end{array} | = a d - c b$ .

p (λ) = (9 - λ) ((4 - λ) (- λ) - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) ((4 - λ) (- λ) - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.2.2

Simplifica el determinante.

Toca para ver más pasos...

Paso 5.2.2.1

Simplifica cada término.

Toca para ver más pasos...

Paso 5.2.2.1.1

Aplica la propiedad distributiva.

p (λ) = (9 - λ) (4 (- λ) - λ (- λ) - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (4 (- λ) - λ (- λ) - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.2.2.1.2

Multiplica

- 1

$- 1$ por

4

$4$ .

p (λ) = (9 - λ) (- 4 λ - λ (- λ) - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (- 4 λ - λ (- λ) - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.2.2.1.3

Reescribe con la propiedad conmutativa de la multiplicación.

p (λ) = (9 - λ) (- 4 λ - 1 \cdot - 1 λ \cdot λ - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (- 4 λ - 1 \cdot - 1 λ \cdot λ - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.2.2.1.4

Simplifica cada término.

Toca para ver más pasos...

Paso 5.2.2.1.4.1

Multiplica

λ

$λ$ por

λ

$λ$ sumando los exponentes.

Toca para ver más pasos...

Paso 5.2.2.1.4.1.1

Mueve

λ

$λ$ .

p (λ) = (9 - λ) (- 4 λ - 1 \cdot - 1 (λ \cdot λ) - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (- 4 λ - 1 \cdot - 1 (λ \cdot λ) - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.2.2.1.4.1.2

Multiplica

λ

$λ$ por

λ

$λ$ .

p (λ) = (9 - λ) (- 4 λ - 1 \cdot - 1 λ^{2} - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (- 4 λ - 1 \cdot - 1 λ^{2} - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

p (λ) = (9 - λ) (- 4 λ - 1 \cdot - 1 λ^{2} - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (- 4 λ - 1 \cdot - 1 λ^{2} - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.2.2.1.4.2

Multiplica

- 1

$- 1$ por

- 1

$- 1$ .

p (λ) = (9 - λ) (- 4 λ + 1 λ^{2} - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (- 4 λ + 1 λ^{2} - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.2.2.1.4.3

Multiplica

λ^{2}

$λ^{2}$ por

1

$1$ .

p (λ) = (9 - λ) (- 4 λ + λ^{2} - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (- 4 λ + λ^{2} - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

p (λ) = (9 - λ) (- 4 λ + λ^{2} - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (- 4 λ + λ^{2} - 1 \cdot 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.2.2.1.5

Multiplica

- 1

$- 1$ por

5

$5$ .

p (λ) = (9 - λ) (- 4 λ + λ^{2} - 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (- 4 λ + λ^{2} - 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

p (λ) = (9 - λ) (- 4 λ + λ^{2} - 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (- 4 λ + λ^{2} - 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.2.2.2

Reordena

- 4 λ

$- 4 λ$ y

λ^{2}

$λ^{2}$ .

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 | \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} | + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.3

Evalúa

| \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} |

$| \begin{array}{c} 3 & 5 \\ 2 & - λ \end{array} |$ .

Toca para ver más pasos...

Paso 5.3.1

El determinante de una matriz

2 \times 2

$2 \times 2$ puede obtenerse usando la fórmula

| \begin{array}{c} a & b \\ c & d \end{array} | = a d - c b

$| \begin{array}{c} a & b \\ c & d \end{array} | = a d - c b$ .

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (3 (- λ) - 2 \cdot 5) + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (3 (- λ) - 2 \cdot 5) + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.3.2

Simplifica cada término.

Toca para ver más pasos...

Paso 5.3.2.1

Multiplica

- 1

$- 1$ por

3

$3$ .

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 2 \cdot 5) + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 2 \cdot 5) + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.3.2.2

Multiplica

- 2

$- 2$ por

5

$5$ .

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 | \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$

Paso 5.4

Evalúa

| \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |

$| \begin{array}{c} 3 & 4 - λ \\ 2 & 1 \end{array} |$ .

Toca para ver más pasos...

Paso 5.4.1

El determinante de una matriz

2 \times 2

$2 \times 2$ puede obtenerse usando la fórmula

| \begin{array}{c} a & b \\ c & d \end{array} | = a d - c b

$| \begin{array}{c} a & b \\ c & d \end{array} | = a d - c b$ .

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 \cdot 1 - 2 (4 - λ))

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 \cdot 1 - 2 (4 - λ))$

Paso 5.4.2

Simplifica el determinante.

Toca para ver más pasos...

Paso 5.4.2.1

Simplifica cada término.

Toca para ver más pasos...

Paso 5.4.2.1.1

Multiplica

3

$3$ por

1

$1$ .

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 - 2 (4 - λ))

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 - 2 (4 - λ))$

Paso 5.4.2.1.2

Aplica la propiedad distributiva.

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 - 2 \cdot 4 - 2 (- λ))

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 - 2 \cdot 4 - 2 (- λ))$

Paso 5.4.2.1.3

Multiplica

- 2

$- 2$ por

4

$4$ .

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 - 8 - 2 (- λ))

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 - 8 - 2 (- λ))$

Paso 5.4.2.1.4

Multiplica

- 1

$- 1$ por

- 2

$- 2$ .

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 - 8 + 2 λ)

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 - 8 + 2 λ)$

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 - 8 + 2 λ)

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (3 - 8 + 2 λ)$

Paso 5.4.2.2

Resta

8

$8$ de

3

$3$ .

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (- 5 + 2 λ)

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (- 5 + 2 λ)$

Paso 5.4.2.3

Reordena

- 5

$- 5$ y

2 λ

$2 λ$ .

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = (9 - λ) (λ^{2} - 4 λ - 5) - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5

Simplifica el determinante.

Toca para ver más pasos...

Paso 5.5.1

Simplifica cada término.

Toca para ver más pasos...

Paso 5.5.1.1

Expande

(9 - λ) (λ^{2} - 4 λ - 5)

$(9 - λ) (λ^{2} - 4 λ - 5)$ mediante la multiplicación de cada término de la primera expresión por cada término de la segunda expresión.

p (λ) = 9 λ^{2} + 9 (- 4 λ) + 9 \cdot - 5 - λ \cdot λ^{2} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} + 9 (- 4 λ) + 9 \cdot - 5 - λ \cdot λ^{2} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2

Simplifica cada término.

Toca para ver más pasos...

Paso 5.5.1.2.1

Multiplica

- 4

$- 4$ por

9

$9$ .

p (λ) = 9 λ^{2} - 36 λ + 9 \cdot - 5 - λ \cdot λ^{2} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ + 9 \cdot - 5 - λ \cdot λ^{2} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2.2

Multiplica

9

$9$ por

- 5

$- 5$ .

p (λ) = 9 λ^{2} - 36 λ - 45 - λ \cdot λ^{2} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ \cdot λ^{2} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2.3

Multiplica

λ

$λ$ por

λ^{2}

$λ^{2}$ sumando los exponentes.

Toca para ver más pasos...

Paso 5.5.1.2.3.1

Mueve

λ^{2}

$λ^{2}$ .

p (λ) = 9 λ^{2} - 36 λ - 45 - (λ^{2} λ) - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - (λ^{2} λ) - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2.3.2

Multiplica

λ^{2}

$λ^{2}$ por

λ

$λ$ .

Toca para ver más pasos...

Paso 5.5.1.2.3.2.1

Eleva

λ

$λ$ a la potencia de

1

$1$ .

p (λ) = 9 λ^{2} - 36 λ - 45 - (λ^{2} λ^{1}) - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - (λ^{2} λ^{1}) - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2.3.2.2

Usa la regla de la potencia

a^{m} a^{n} = a^{m + n}

$a^{m} a^{n} = a^{m + n}$ para combinar exponentes.

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{2 + 1} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{2 + 1} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{2 + 1} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{2 + 1} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2.3.3

Suma

2

$2$ y

1

$1$ .

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - λ (- 4 λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2.4

Reescribe con la propiedad conmutativa de la multiplicación.

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - 1 \cdot - 4 λ \cdot λ - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - 1 \cdot - 4 λ \cdot λ - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2.5

Multiplica

λ

$λ$ por

λ

$λ$ sumando los exponentes.

Toca para ver más pasos...

Paso 5.5.1.2.5.1

Mueve

λ

$λ$ .

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - 1 \cdot - 4 (λ \cdot λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - 1 \cdot - 4 (λ \cdot λ) - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2.5.2

Multiplica

λ

$λ$ por

λ

$λ$ .

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - 1 \cdot - 4 λ^{2} - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - 1 \cdot - 4 λ^{2} - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - 1 \cdot - 4 λ^{2} - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} - 1 \cdot - 4 λ^{2} - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2.6

Multiplica

- 1

$- 1$ por

- 4

$- 4$ .

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} + 4 λ^{2} - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} + 4 λ^{2} - λ \cdot - 5 - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.2.7

Multiplica

- 5

$- 5$ por

- 1

$- 1$ .

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} + 4 λ^{2} + 5 λ - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} + 4 λ^{2} + 5 λ - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} + 4 λ^{2} + 5 λ - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 9 λ^{2} - 36 λ - 45 - λ^{3} + 4 λ^{2} + 5 λ - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.3

Suma

9 λ^{2}

$9 λ^{2}$ y

4 λ^{2}

$4 λ^{2}$ .

p (λ) = 13 λ^{2} - 36 λ - 45 - λ^{3} + 5 λ - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 13 λ^{2} - 36 λ - 45 - λ^{3} + 5 λ - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.4

Suma

- 36 λ

$- 36 λ$ y

5 λ

$5 λ$ .

p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} - 8 (- 3 λ - 10) + 7 (2 λ - 5)

$p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} - 8 (- 3 λ - 10) + 7 (2 λ - 5)$

Paso 5.5.1.5

Aplica la propiedad distributiva.

p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} - 8 (- 3 λ) - 8 \cdot - 10 + 7 (2 λ - 5)

$p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} - 8 (- 3 λ) - 8 \cdot - 10 + 7 (2 λ - 5)$

Paso 5.5.1.6

Multiplica

- 3

$- 3$ por

- 8

$- 8$ .

p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ - 8 \cdot - 10 + 7 (2 λ - 5)

$p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ - 8 \cdot - 10 + 7 (2 λ - 5)$

Paso 5.5.1.7

Multiplica

- 8

$- 8$ por

- 10

$- 10$ .

p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ + 80 + 7 (2 λ - 5)

$p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ + 80 + 7 (2 λ - 5)$

Paso 5.5.1.8

Aplica la propiedad distributiva.

p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ + 80 + 7 (2 λ) + 7 \cdot - 5

$p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ + 80 + 7 (2 λ) + 7 \cdot - 5$

Paso 5.5.1.9

Multiplica

2

$2$ por

7

$7$ .

p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ + 80 + 14 λ + 7 \cdot - 5

$p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ + 80 + 14 λ + 7 \cdot - 5$

Paso 5.5.1.10

Multiplica

7

$7$ por

- 5

$- 5$ .

p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ + 80 + 14 λ - 35

$p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ + 80 + 14 λ - 35$

p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ + 80 + 14 λ - 35

$p (λ) = 13 λ^{2} - 31 λ - 45 - λ^{3} + 24 λ + 80 + 14 λ - 35$

Paso 5.5.2

Suma

- 31 λ

$- 31 λ$ y

24 λ

$24 λ$ .

p (λ) = 13 λ^{2} - 7 λ - 45 - λ^{3} + 80 + 14 λ - 35

$p (λ) = 13 λ^{2} - 7 λ - 45 - λ^{3} + 80 + 14 λ - 35$

Paso 5.5.3

Suma

- 7 λ

$- 7 λ$ y

14 λ

$14 λ$ .

p (λ) = 13 λ^{2} + 7 λ - 45 - λ^{3} + 80 - 35

$p (λ) = 13 λ^{2} + 7 λ - 45 - λ^{3} + 80 - 35$

Paso 5.5.4

Suma

- 45

$- 45$ y

80

$80$ .

p (λ) = 13 λ^{2} + 7 λ - λ^{3} + 35 - 35

$p (λ) = 13 λ^{2} + 7 λ - λ^{3} + 35 - 35$

Paso 5.5.5

Combina los términos opuestos en

13 λ^{2} + 7 λ - λ^{3} + 35 - 35

$13 λ^{2} + 7 λ - λ^{3} + 35 - 35$ .

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Paso 5.5.5.1

Resta

35

$35$ de

35

$35$ .

p (λ) = 13 λ^{2} + 7 λ - λ^{3} + 0

$p (λ) = 13 λ^{2} + 7 λ - λ^{3} + 0$

Paso 5.5.5.2

Suma

13 λ^{2} + 7 λ - λ^{3}

$13 λ^{2} + 7 λ - λ^{3}$ y

0

$0$ .

p (λ) = 13 λ^{2} + 7 λ - λ^{3}

$p (λ) = 13 λ^{2} + 7 λ - λ^{3}$

p (λ) = 13 λ^{2} + 7 λ - λ^{3}

$p (λ) = 13 λ^{2} + 7 λ - λ^{3}$

Paso 5.5.6

Mueve

7 λ

$7 λ$ .

p (λ) = 13 λ^{2} - λ^{3} + 7 λ

$p (λ) = 13 λ^{2} - λ^{3} + 7 λ$

Paso 5.5.7

Reordena

13 λ^{2}

$13 λ^{2}$ y

- λ^{3}

$- λ^{3}$ .

p (λ) = - λ^{3} + 13 λ^{2} + 7 λ

$p (λ) = - λ^{3} + 13 λ^{2} + 7 λ$

p (λ) = - λ^{3} + 13 λ^{2} + 7 λ

$p (λ) = - λ^{3} + 13 λ^{2} + 7 λ$

p (λ) = - λ^{3} + 13 λ^{2} + 7 λ

$p (λ) = - λ^{3} + 13 λ^{2} + 7 λ$

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