Cálculo Exemplos

$\int 8 x^{3} \sqrt{2 x + 1} d x$

Etapa 1

Como $8$ é constante com relação a $x$ , mova $8$ para fora da integral.

$8 \int x^{3} \sqrt{2 x + 1} d x$

Etapa 2

Integre por partes usando a fórmula $\int u d v = u v - \int v d u$ , em que $u = x^{3}$ e $d v = \sqrt{2 x + 1}$ .

$8 (x^{3} (\frac{1}{3} {(2 x + 1)}^{\frac{3}{2}}) - \int \frac{1}{3} {(2 x + 1)}^{\frac{3}{2}} (3 x^{2}) d x)$

Etapa 3

Simplifique.

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Etapa 3.1

Combine $\frac{1}{3}$ e ${(2 x + 1)}^{\frac{3}{2}}$ .

$8 (x^{3} \frac{{(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{1}{3} {(2 x + 1)}^{\frac{3}{2}} (3 x^{2}) d x)$

Etapa 3.2

Combine $x^{3}$ e $\frac{{(2 x + 1)}^{\frac{3}{2}}}{3}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{1}{3} {(2 x + 1)}^{\frac{3}{2}} (3 x^{2}) d x)$

Etapa 3.3

Combine $\frac{1}{3}$ e ${(2 x + 1)}^{\frac{3}{2}}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{{(2 x + 1)}^{\frac{3}{2}}}{3} (3 x^{2}) d x)$

Etapa 3.4

Combine $3$ e $\frac{{(2 x + 1)}^{\frac{3}{2}}}{3}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{3 {(2 x + 1)}^{\frac{3}{2}}}{3} x^{2} d x)$

Etapa 3.5

Combine $\frac{3 {(2 x + 1)}^{\frac{3}{2}}}{3}$ e $x^{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{3 {(2 x + 1)}^{\frac{3}{2}} x^{2}}{3} d x)$

Etapa 3.6

Cancele o fator comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{3 {(2 x + 1)}^{\frac{3}{2}} x^{2}}{3} d x)$

Etapa 3.7

Divida ${(2 x + 1)}^{\frac{3}{2}} x^{2}$ por $1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int {(2 x + 1)}^{\frac{3}{2}} x^{2} d x)$

Etapa 4

Deixe $u_{1} = 2 x + 1$ . Depois, $d u_{1} = 2 d x$ , então, $\frac{1}{2} d u_{1} = d x$ . Reescreva usando $u_{1}$ e $d$ $u_{1}$ .

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Etapa 4.1

Deixe $u_{1} = 2 x + 1$ . Encontre $\frac{d u_{1}}{d x}$ .

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Etapa 4.1.1

Diferencie $2 x + 1$ .

$\frac{d}{d x} [2 x + 1]$

Etapa 4.1.2

De acordo com a regra da soma, a derivada de $2 x + 1$ com relação a $x$ é $\frac{d}{d x} [2 x] + \frac{d}{d x} [1]$ .

$\frac{d}{d x} [2 x] + \frac{d}{d x} [1]$

Etapa 4.1.3

Avalie $\frac{d}{d x} [2 x]$ .

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Etapa 4.1.3.1

Como $2$ é constante em relação a $x$ , a derivada de $2 x$ em relação a $x$ é $2 \frac{d}{d x} [x]$ .

$2 \frac{d}{d x} [x] + \frac{d}{d x} [1]$

Etapa 4.1.3.2

Diferencie usando a regra da multiplicação de potências, que determina que $\frac{d}{d x} [x^{n}]$ é $n x^{n - 1}$ , em que $n = 1$ .

$2 \cdot 1 + \frac{d}{d x} [1]$

Etapa 4.1.3.3

Multiplique $2$ por $1$ .

$2 + \frac{d}{d x} [1]$

Etapa 4.1.4

Diferencie usando a regra da constante.

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Etapa 4.1.4.1

Como $1$ é constante em relação a $x$ , a derivada de $1$ em relação a $x$ é $0$ .

$2 + 0$

Etapa 4.1.4.2

Some $2$ e $0$ .

$2$

Etapa 4.2

Reescreva o problema usando $u_{1}$ e $d u_{1}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int {u_{1}}^{\frac{3}{2}} {(\frac{u_{1}}{2} - \frac{1}{2})}^{2} \frac{1}{2} d u_{1})$

Etapa 5

Simplifique.

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Etapa 5.1

Combine $\frac{1}{2}$ e ${u_{1}}^{\frac{3}{2}}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{{u_{1}}^{\frac{3}{2}}}{2} {(\frac{u_{1}}{2} - \frac{1}{2})}^{2} d u_{1})$

Etapa 5.2

Combine $\frac{{u_{1}}^{\frac{3}{2}}}{2}$ e ${(\frac{u_{1}}{2} - \frac{1}{2})}^{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{{u_{1}}^{\frac{3}{2}} {(\frac{u_{1}}{2} - \frac{1}{2})}^{2}}{2} d u_{1})$

Etapa 6

Como $\frac{1}{2}$ é constante com relação a $u_{1}$ , mova $\frac{1}{2}$ para fora da integral.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - (\frac{1}{2} \int {u_{1}}^{\frac{3}{2}} {(\frac{u_{1}}{2} - \frac{1}{2})}^{2} d u_{1}))$

Etapa 7

Deixe $u_{2} = \frac{u_{1}}{2} - \frac{1}{2}$ . Depois, $d u_{2} = \frac{1}{2} d u_{1}$ , então, $2 d u_{2} = d u_{1}$ . Reescreva usando $u_{2}$ e $d$ $u_{2}$ .

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Etapa 7.1

Deixe $u_{2} = \frac{u_{1}}{2} - \frac{1}{2}$ . Encontre $\frac{d u_{2}}{d u_{1}}$ .

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Etapa 7.1.1

Diferencie $\frac{u_{1}}{2} - \frac{1}{2}$ .

$\frac{d}{d u_{1}} [\frac{u_{1}}{2} - \frac{1}{2}]$

Etapa 7.1.2

De acordo com a regra da soma, a derivada de $\frac{u_{1}}{2} - \frac{1}{2}$ com relação a $u_{1}$ é $\frac{d}{d u_{1}} [\frac{u_{1}}{2}] + \frac{d}{d u_{1}} [- \frac{1}{2}]$ .

$\frac{d}{d u_{1}} [\frac{u_{1}}{2}] + \frac{d}{d u_{1}} [- \frac{1}{2}]$

Etapa 7.1.3

Avalie $\frac{d}{d u_{1}} [\frac{u_{1}}{2}]$ .

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Etapa 7.1.3.1

Como $\frac{1}{2}$ é constante em relação a $u_{1}$ , a derivada de $\frac{u_{1}}{2}$ em relação a $u_{1}$ é $\frac{1}{2} \frac{d}{d u_{1}} [u_{1}]$ .

$\frac{1}{2} \frac{d}{d u_{1}} [u_{1}] + \frac{d}{d u_{1}} [- \frac{1}{2}]$

Etapa 7.1.3.2

Diferencie usando a regra da multiplicação de potências, que determina que $\frac{d}{d u_{1}} [{u_{1}}^{n}]$ é $n {u_{1}}^{n - 1}$ , em que $n = 1$ .

$\frac{1}{2} \cdot 1 + \frac{d}{d u_{1}} [- \frac{1}{2}]$

Etapa 7.1.3.3

Multiplique $\frac{1}{2}$ por $1$ .

$\frac{1}{2} + \frac{d}{d u_{1}} [- \frac{1}{2}]$

Etapa 7.1.4

Diferencie usando a regra da constante.

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Etapa 7.1.4.1

Como $- \frac{1}{2}$ é constante em relação a $u_{1}$ , a derivada de $- \frac{1}{2}$ em relação a $u_{1}$ é $0$ .

$\frac{1}{2} + 0$

Etapa 7.1.4.2

Some $\frac{1}{2}$ e $0$ .

$\frac{1}{2}$

Etapa 7.2

Reescreva o problema usando $u_{2}$ e $d u_{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} \frac{1}{\frac{1}{2}} d u_{2})$

Etapa 8

Simplifique.

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Etapa 8.1

Multiplique pelo inverso da fração para dividir por $\frac{1}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} (1 \cdot 2) d u_{2})$

Etapa 8.2

Multiplique $2$ por $1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} \cdot 2 d u_{2})$

Etapa 8.3

Mova $2$ para a esquerda de ${(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int 2 {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Etapa 9

Como $2$ é constante com relação a $u_{2}$ , mova $2$ para fora da integral.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (2 \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2}))$

Etapa 10

Simplifique.

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Etapa 10.1

Multiplique $2$ por $- 1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - 2 (\frac{1}{2}) \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Etapa 10.2

Combine $- 2$ e $\frac{1}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} + \frac{- 2}{2} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Etapa 10.3

Cancele o fator comum de $- 2$ e $2$ .

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Etapa 10.3.1

Fatore $2$ de $- 2$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} + \frac{2 \cdot - 1}{2} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Etapa 10.3.2

Cancele os fatores comuns.

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Etapa 10.3.2.1

Fatore $2$ de $2$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} + \frac{2 \cdot - 1}{2 (1)} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Etapa 10.3.2.2

Cancele o fator comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} + \frac{2 \cdot - 1}{2 \cdot 1} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Etapa 10.3.2.3

Reescreva a expressão.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} + \frac{- 1}{1} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Etapa 10.3.2.4

Divida $- 1$ por $1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Etapa 11

Deixe $u_{3} = 2 u_{2} + 1$ . Depois, $d u_{3} = 2 d u_{2}$ , então, $\frac{1}{2} d u_{3} = d u_{2}$ . Reescreva usando $u_{3}$ e $d$ $u_{3}$ .

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Etapa 11.1

Deixe $u_{3} = 2 u_{2} + 1$ . Encontre $\frac{d u_{3}}{d u_{2}}$ .

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Etapa 11.1.1

Diferencie $2 u_{2} + 1$ .

$\frac{d}{d u_{2}} [2 u_{2} + 1]$

Etapa 11.1.2

De acordo com a regra da soma, a derivada de $2 u_{2} + 1$ com relação a $u_{2}$ é $\frac{d}{d u_{2}} [2 u_{2}] + \frac{d}{d u_{2}} [1]$ .

$\frac{d}{d u_{2}} [2 u_{2}] + \frac{d}{d u_{2}} [1]$

Etapa 11.1.3

Avalie $\frac{d}{d u_{2}} [2 u_{2}]$ .

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Etapa 11.1.3.1

Como $2$ é constante em relação a $u_{2}$ , a derivada de $2 u_{2}$ em relação a $u_{2}$ é $2 \frac{d}{d u_{2}} [u_{2}]$ .

$2 \frac{d}{d u_{2}} [u_{2}] + \frac{d}{d u_{2}} [1]$

Etapa 11.1.3.2

Diferencie usando a regra da multiplicação de potências, que determina que $\frac{d}{d u_{2}} [{u_{2}}^{n}]$ é $n {u_{2}}^{n - 1}$ , em que $n = 1$ .

$2 \cdot 1 + \frac{d}{d u_{2}} [1]$

Etapa 11.1.3.3

Multiplique $2$ por $1$ .

$2 + \frac{d}{d u_{2}} [1]$

Etapa 11.1.4

Diferencie usando a regra da constante.

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Etapa 11.1.4.1

Como $1$ é constante em relação a $u_{2}$ , a derivada de $1$ em relação a $u_{2}$ é $0$ .

$2 + 0$

Etapa 11.1.4.2

Some $2$ e $0$ .

$2$

Etapa 11.2

Reescreva o problema usando $u_{3}$ e $d u_{3}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int {u_{3}}^{\frac{3}{2}} {(\frac{u_{3}}{2} - \frac{1}{2})}^{2} \frac{1}{2} d u_{3})$

Etapa 12

Simplifique.

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Etapa 12.1

Combine $\frac{1}{2}$ e ${u_{3}}^{\frac{3}{2}}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{{u_{3}}^{\frac{3}{2}}}{2} {(\frac{u_{3}}{2} - \frac{1}{2})}^{2} d u_{3})$

Etapa 12.2

Combine $\frac{{u_{3}}^{\frac{3}{2}}}{2}$ e ${(\frac{u_{3}}{2} - \frac{1}{2})}^{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{{u_{3}}^{\frac{3}{2}} {(\frac{u_{3}}{2} - \frac{1}{2})}^{2}}{2} d u_{3})$

Etapa 13

Como $\frac{1}{2}$ é constante com relação a $u_{3}$ , mova $\frac{1}{2}$ para fora da integral.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - (\frac{1}{2} \int {u_{3}}^{\frac{3}{2}} {(\frac{u_{3}}{2} - \frac{1}{2})}^{2} d u_{3}))$

Etapa 14

Simplifique.

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Etapa 14.1

Reescreva ${(\frac{u_{3}}{2} - \frac{1}{2})}^{2}$ como $(\frac{u_{3}}{2} - \frac{1}{2}) (\frac{u_{3}}{2} - \frac{1}{2})$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} ((\frac{u_{3}}{2} - \frac{1}{2}) (\frac{u_{3}}{2} - \frac{1}{2})) d u_{3})$

Etapa 14.2

Aplique a propriedade distributiva.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} (\frac{u_{3}}{2} (\frac{u_{3}}{2} - \frac{1}{2}) - \frac{1}{2} (\frac{u_{3}}{2} - \frac{1}{2})) d u_{3})$

Etapa 14.3

Aplique a propriedade distributiva.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} (\frac{u_{3}}{2} \cdot \frac{u_{3}}{2} + \frac{u_{3}}{2} (- \frac{1}{2}) - \frac{1}{2} (\frac{u_{3}}{2} - \frac{1}{2})) d u_{3})$

Etapa 14.4

Aplique a propriedade distributiva.

Etapa 14.5

Aplique a propriedade distributiva.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} (\frac{u_{3}}{2} \cdot \frac{u_{3}}{2} + \frac{u_{3}}{2} (- \frac{1}{2})) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} \cdot \frac{u_{3}}{2} - \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Etapa 14.6

Aplique a propriedade distributiva.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} (\frac{u_{3}}{2} \cdot \frac{u_{3}}{2}) + {u_{3}}^{\frac{3}{2}} (\frac{u_{3}}{2} (- \frac{1}{2})) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} \cdot \frac{u_{3}}{2} - \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Etapa 14.7

Aplique a propriedade distributiva.

Etapa 14.8

Reordene $\frac{u_{3}}{2}$ e $- 1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- 1 \cdot \frac{u_{3}}{2} \frac{1}{2}) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} \cdot \frac{u_{3}}{2}) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Etapa 14.9

Mova os parênteses.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- 1 \cdot \frac{u_{3}}{2}) \frac{1}{2} + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} \cdot \frac{u_{3}}{2}) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Etapa 14.10

Reordene ${u_{3}}^{\frac{3}{2}}$ e $- 1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} \cdot \frac{u_{3}}{2}) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Etapa 14.11

Mova os parênteses.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2}) \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Etapa 14.12

Reordene ${u_{3}}^{\frac{3}{2}}$ e $- 1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Etapa 14.13

Mova $\frac{1}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- 1 \cdot - 1 \frac{1}{2} \frac{1}{2}) d u_{3})$

Etapa 14.14

Mova os parênteses.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- 1 \cdot - 1 \frac{1}{2}) \frac{1}{2} d u_{3})$

Etapa 14.15

Mova os parênteses.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- 1 \cdot - 1) \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.16

Mova ${u_{3}}^{\frac{3}{2}}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.17

Combine ${u_{3}}^{\frac{3}{2}}$ e $\frac{u_{3}}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{3}{2}} u_{3}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.18

Eleve $u_{3}$ à potência de $1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{3}{2}} {u_{3}}^{1}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.19

Use a regra da multiplicação de potências $a^{m} a^{n} = a^{m + n}$ para combinar expoentes.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{3}{2} + 1}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.20

Escreva $1$ como uma fração com um denominador comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{3}{2} + \frac{2}{2}}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.21

Combine os numeradores em relação ao denominador comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{3 + 2}{2}}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.22

Some $3$ e $2$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5}{2}}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.23

Multiplique $\frac{{u_{3}}^{\frac{5}{2}}}{2}$ por $\frac{u_{3}}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5}{2}} u_{3}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.24

Eleve $u_{3}$ à potência de $1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5}{2}} {u_{3}}^{1}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.25

Use a regra da multiplicação de potências $a^{m} a^{n} = a^{m + n}$ para combinar expoentes.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5}{2} + 1}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.26

Escreva $1$ como uma fração com um denominador comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5}{2} + \frac{2}{2}}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.27

Combine os numeradores em relação ao denominador comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5 + 2}{2}}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.28

Some $5$ e $2$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.29

Multiplique $2$ por $2$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.30

Combine $- 1 {u_{3}}^{\frac{3}{2}}$ e $\frac{u_{3}}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- 1 {u_{3}}^{\frac{3}{2}} u_{3}}{2} \cdot \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.31

Fatore o negativo.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- ({u_{3}}^{\frac{3}{2}} u_{3})}{2} \cdot \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.32

Eleve $u_{3}$ à potência de $1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- ({u_{3}}^{\frac{3}{2}} {u_{3}}^{1})}{2} \cdot \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.33

Use a regra da multiplicação de potências $a^{m} a^{n} = a^{m + n}$ para combinar expoentes.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{3}{2} + 1}}{2} \cdot \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.34

Escreva $1$ como uma fração com um denominador comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{3}{2} + \frac{2}{2}}}{2} \cdot \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.35

Combine os numeradores em relação ao denominador comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{3 + 2}{2}}}{2} \cdot \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.36

Some $3$ e $2$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{2} \cdot \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.37

Multiplique $\frac{- {u_{3}}^{\frac{5}{2}}}{2}$ por $\frac{1}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.38

Multiplique $2$ por $2$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.39

Combine $- 1 {u_{3}}^{\frac{3}{2}}$ e $\frac{1}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- 1 {u_{3}}^{\frac{3}{2}}}{2} \cdot \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.40

Multiplique $\frac{- 1 {u_{3}}^{\frac{3}{2}}}{2}$ por $\frac{u_{3}}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- 1 {u_{3}}^{\frac{3}{2}} u_{3}}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.41

Fatore o negativo.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- ({u_{3}}^{\frac{3}{2}} u_{3})}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.42

Eleve $u_{3}$ à potência de $1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- ({u_{3}}^{\frac{3}{2}} {u_{3}}^{1})}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.43

Use a regra da multiplicação de potências $a^{m} a^{n} = a^{m + n}$ para combinar expoentes.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{3}{2} + 1}}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.44

Escreva $1$ como uma fração com um denominador comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{3}{2} + \frac{2}{2}}}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.45

Combine os numeradores em relação ao denominador comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{3 + 2}{2}}}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.46

Some $3$ e $2$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.47

Multiplique $2$ por $2$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.48

Multiplique $- 1$ por $- 1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.49

Multiplique ${u_{3}}^{\frac{3}{2}}$ por $1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Etapa 14.50

Combine ${u_{3}}^{\frac{3}{2}}$ e $\frac{1}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{2} \cdot \frac{1}{2} d u_{3})$

Etapa 14.51

Multiplique $\frac{{u_{3}}^{\frac{3}{2}}}{2}$ por $\frac{1}{2}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{2 \cdot 2} d u_{3})$

Etapa 14.52

Multiplique $2$ por $2$ .

Etapa 14.53

Some $\frac{- {u_{3}}^{\frac{5}{2}}}{4}$ e $\frac{- {u_{3}}^{\frac{5}{2}}}{4}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + 2 \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Etapa 14.54

Combine $2$ e $\frac{- {u_{3}}^{\frac{5}{2}}}{4}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{2 (- {u_{3}}^{\frac{5}{2}})}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Etapa 14.55

Multiplique $2$ por $- 1$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- 2 {u_{3}}^{\frac{5}{2}}}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Etapa 15

Simplifique.

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Etapa 15.1

Fatore $2$ de $- 2 {u_{3}}^{\frac{5}{2}}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{2 (- {u_{3}}^{\frac{5}{2}})}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Etapa 15.2

Cancele os fatores comuns.

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Etapa 15.2.1

Fatore $2$ de $4$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{2 (- {u_{3}}^{\frac{5}{2}})}{2 (2)} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Etapa 15.2.2

Cancele o fator comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{2 (- {u_{3}}^{\frac{5}{2}})}{2 \cdot 2} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Etapa 15.2.3

Reescreva a expressão.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{2} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Etapa 15.3

Mova o número negativo para a frente da fração.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} - \frac{{u_{3}}^{\frac{5}{2}}}{2} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Etapa 16

Divida a integral única em várias integrais.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\int \frac{{u_{3}}^{\frac{7}{2}}}{4} d u_{3} + \int - \frac{{u_{3}}^{\frac{5}{2}}}{2} d u_{3} + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Etapa 17

Como $\frac{1}{4}$ é constante com relação a $u_{3}$ , mova $\frac{1}{4}$ para fora da integral.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} \int {u_{3}}^{\frac{7}{2}} d u_{3} + \int - \frac{{u_{3}}^{\frac{5}{2}}}{2} d u_{3} + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Etapa 18

De acordo com a regra da multiplicação de potências, a integral de ${u_{3}}^{\frac{7}{2}}$ com relação a $u_{3}$ é $\frac{2}{9} {u_{3}}^{\frac{9}{2}}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2}{9} {u_{3}}^{\frac{9}{2}} + C) + \int - \frac{{u_{3}}^{\frac{5}{2}}}{2} d u_{3} + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Etapa 19

Combine $\frac{2}{9}$ e ${u_{3}}^{\frac{9}{2}}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2 {u_{3}}^{\frac{9}{2}}}{9} + C) + \int - \frac{{u_{3}}^{\frac{5}{2}}}{2} d u_{3} + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Etapa 20

Como $- 1$ é constante com relação a $u_{3}$ , mova $- 1$ para fora da integral.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2 {u_{3}}^{\frac{9}{2}}}{9} + C) - \int \frac{{u_{3}}^{\frac{5}{2}}}{2} d u_{3} + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Etapa 21

Como $\frac{1}{2}$ é constante com relação a $u_{3}$ , mova $\frac{1}{2}$ para fora da integral.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2 {u_{3}}^{\frac{9}{2}}}{9} + C) - (\frac{1}{2} \int {u_{3}}^{\frac{5}{2}} d u_{3}) + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Etapa 22

De acordo com a regra da multiplicação de potências, a integral de ${u_{3}}^{\frac{5}{2}}$ com relação a $u_{3}$ é $\frac{2}{7} {u_{3}}^{\frac{7}{2}}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2 {u_{3}}^{\frac{9}{2}}}{9} + C) - \frac{1}{2} (\frac{2}{7} {u_{3}}^{\frac{7}{2}} + C) + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Etapa 23

Combine $\frac{2}{7}$ e ${u_{3}}^{\frac{7}{2}}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2 {u_{3}}^{\frac{9}{2}}}{9} + C) - \frac{1}{2} (\frac{2 {u_{3}}^{\frac{7}{2}}}{7} + C) + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Etapa 24

Como $\frac{1}{4}$ é constante com relação a $u_{3}$ , mova $\frac{1}{4}$ para fora da integral.

Etapa 25

De acordo com a regra da multiplicação de potências, a integral de ${u_{3}}^{\frac{3}{2}}$ com relação a $u_{3}$ é $\frac{2}{5} {u_{3}}^{\frac{5}{2}}$ .

Etapa 26

Simplifique.

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Etapa 26.1

Combine $\frac{2}{5}$ e ${u_{3}}^{\frac{5}{2}}$ .

Etapa 26.2

Simplifique.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{{u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Etapa 26.3

Simplifique.

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Etapa 26.3.1

Para escrever $\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3}$ como fração com um denominador comum, multiplique por $\frac{12}{12}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} \cdot \frac{12}{12} - \frac{{u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Etapa 26.3.2

Escreva cada expressão com um denominador comum de $36$ , multiplicando cada um por um fator apropriado de $1$ .

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Etapa 26.3.2.1

Multiplique $\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3}$ por $\frac{12}{12}$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}} \cdot 12}{3 \cdot 12} - \frac{{u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Etapa 26.3.2.2

Multiplique $3$ por $12$ .

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}} \cdot 12}{36} - \frac{{u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Etapa 26.3.3

Combine os numeradores em relação ao denominador comum.

$8 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}} \cdot 12 - {u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Etapa 26.3.4

Mova $12$ para a esquerda de $x^{3} {(2 x + 1)}^{\frac{3}{2}}$ .

$8 (\frac{12 x^{3} {(2 x + 1)}^{\frac{3}{2}} - {u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Etapa 27

Substitua novamente para cada variável de substituição de integração.

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Etapa 27.1

Substitua todas as ocorrências de $u_{3}$ por $2 u_{2} + 1$ .

$8 (\frac{12 x^{3} {(2 x + 1)}^{\frac{3}{2}} - {(2 u_{2} + 1)}^{\frac{9}{2}}}{36} + \frac{{(2 u_{2} + 1)}^{\frac{7}{2}}}{14} - \frac{{(2 u_{2} + 1)}^{\frac{5}{2}}}{20}) + C$

Etapa 27.2

Substitua todas as ocorrências de $u_{2}$ por $\frac{u_{1}}{2} - \frac{1}{2}$ .

$8 (\frac{12 x^{3} {(2 x + 1)}^{\frac{3}{2}} - {(2 (\frac{u_{1}}{2} - \frac{1}{2}) + 1)}^{\frac{9}{2}}}{36} + \frac{{(2 (\frac{u_{1}}{2} - \frac{1}{2}) + 1)}^{\frac{7}{2}}}{14} - \frac{{(2 (\frac{u_{1}}{2} - \frac{1}{2}) + 1)}^{\frac{5}{2}}}{20}) + C$

Etapa 27.3

Substitua todas as ocorrências de $u_{1}$ por $2 x + 1$ .

$8 (\frac{12 x^{3} {(2 x + 1)}^{\frac{3}{2}} - {(2 (\frac{2 x + 1}{2} - \frac{1}{2}) + 1)}^{\frac{9}{2}}}{36} + \frac{{(2 (\frac{2 x + 1}{2} - \frac{1}{2}) + 1)}^{\frac{7}{2}}}{14} - \frac{{(2 (\frac{2 x + 1}{2} - \frac{1}{2}) + 1)}^{\frac{5}{2}}}{20}) + C$

Etapa 28

Reordene os termos.

$8 (\frac{1}{36} (12 x^{3} {(2 x + 1)}^{\frac{3}{2}} - {(2 (\frac{1}{2} (2 x + 1) - \frac{1}{2}) + 1)}^{\frac{9}{2}}) + \frac{1}{14} {(2 (\frac{1}{2} (2 x + 1) - \frac{1}{2}) + 1)}^{\frac{7}{2}} - \frac{1}{20} {(2 (\frac{1}{2} (2 x + 1) - \frac{1}{2}) + 1)}^{\frac{5}{2}}) + C$