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Integral de sin(4*x)/x^2 dx

Límites de integración:

interior superior
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
 oo            
  /            
 |             
 |  sin(4*x)   
 |  -------- dx
 |      2      
 |     x       
 |             
/              
1              
$$\int\limits_{1}^{\infty} \frac{\sin{\left(4 x \right)}}{x^{2}}\, dx$$
Integral(sin(4*x)/x^2, (x, 1, oo))
Respuesta (Indefinida) [src]
  /                    /           
 |                    |            
 | sin(4*x)           | sin(4*x)   
 | -------- dx = C +  | -------- dx
 |     2              |     2      
 |    x               |    x       
 |                    |            
/                    /             
$$\int \frac{\sin{\left(4 x \right)}}{x^{2}}\, dx = C + \int \frac{\sin{\left(4 x \right)}}{x^{2}}\, dx$$
Gráfica
Respuesta [src]
        |                                                /                                   /   pi*I\                    \| 
        |                                                |                                   |   ----|                    || 
        |                                                |                                   |    2  |   3*sin(4)         || 
        |                                              4*|-6 - 6*Ci(4) + 6*EulerGamma + 6*log\4*e    / + -------- - 3*pi*I|| 
   ____ |  8      8*EulerGamma   8*log(2)   4*log(4)     \                                                  2             /| 
-\/ pi *|------ - ------------ - -------- - -------- + --------------------------------------------------------------------| 
        |  ____        ____         ____       ____                                      ____                              | 
        |\/ pi       \/ pi        \/ pi      \/ pi                                   3*\/ pi                               | 
-----------------------------------------------------------------------------------------------------------------------------
                                                              2                                                              
$$- \frac{\sqrt{\pi} \left|{- \frac{8 \log{\left(2 \right)}}{\sqrt{\pi}} - \frac{4 \log{\left(4 \right)}}{\sqrt{\pi}} - \frac{8 \gamma}{\sqrt{\pi}} + \frac{8}{\sqrt{\pi}} + \frac{4 \left(-6 + \frac{3 \sin{\left(4 \right)}}{2} - 6 \operatorname{Ci}{\left(4 \right)} + 6 \gamma - 3 i \pi + 6 \log{\left(4 e^{\frac{i \pi}{2}} \right)}\right)}{3 \sqrt{\pi}}}\right|}{2}$$
=
=
        |                                                /                                   /   pi*I\                    \| 
        |                                                |                                   |   ----|                    || 
        |                                                |                                   |    2  |   3*sin(4)         || 
        |                                              4*|-6 - 6*Ci(4) + 6*EulerGamma + 6*log\4*e    / + -------- - 3*pi*I|| 
   ____ |  8      8*EulerGamma   8*log(2)   4*log(4)     \                                                  2             /| 
-\/ pi *|------ - ------------ - -------- - -------- + --------------------------------------------------------------------| 
        |  ____        ____         ____       ____                                      ____                              | 
        |\/ pi       \/ pi        \/ pi      \/ pi                                   3*\/ pi                               | 
-----------------------------------------------------------------------------------------------------------------------------
                                                              2                                                              
$$- \frac{\sqrt{\pi} \left|{- \frac{8 \log{\left(2 \right)}}{\sqrt{\pi}} - \frac{4 \log{\left(4 \right)}}{\sqrt{\pi}} - \frac{8 \gamma}{\sqrt{\pi}} + \frac{8}{\sqrt{\pi}} + \frac{4 \left(-6 + \frac{3 \sin{\left(4 \right)}}{2} - 6 \operatorname{Ci}{\left(4 \right)} + 6 \gamma - 3 i \pi + 6 \log{\left(4 e^{\frac{i \pi}{2}} \right)}\right)}{3 \sqrt{\pi}}}\right|}{2}$$
-sqrt(pi)*Abs(8/sqrt(pi) - 8*EulerGamma/sqrt(pi) - 8*log(2)/sqrt(pi) - 4*log(4)/sqrt(pi) + 4*(-6 - 6*Ci(4) + 6*EulerGamma + 6*log(4*exp_polar(pi*i/2)) + 3*sin(4)/2 - 3*pi*i)/(3*sqrt(pi)))/2

    Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.