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Integral de sqrt(1+coshx) dx

Límites de integración:

interior superior
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
  1/2                  
   /                   
  |                    
  |    _____________   
  |  \/ 1 + cosh(x)  dx
  |                    
 /                     
-1/2                   
$$\int\limits_{- \frac{1}{2}}^{\frac{1}{2}} \sqrt{\cosh{\left(x \right)} + 1}\, dx$$
Integral(sqrt(1 + cosh(x)), (x, -1/2, 1/2))
Respuesta (Indefinida) [src]
                                      _________________________________        
  /                                  /                          2/x\           
 |                                  /                       tanh |-|           
 |   _____________                 /            1                \2/        /x\
 | \/ 1 + cosh(x)  dx = C + 2*    /    1 + ------------ + ------------ *tanh|-|
 |                               /                 2/x\           2/x\      \2/
/                               /          1 - tanh |-|   1 - tanh |-|         
                              \/                    \2/            \2/         
$$\int \sqrt{\cosh{\left(x \right)} + 1}\, dx = C + 2 \sqrt{1 + \frac{\tanh^{2}{\left(\frac{x}{2} \right)}}{1 - \tanh^{2}{\left(\frac{x}{2} \right)}} + \frac{1}{1 - \tanh^{2}{\left(\frac{x}{2} \right)}}} \tanh{\left(\frac{x}{2} \right)}$$
Gráfica
Respuesta [src]
        _____________________________________          
       /                            2                  
      /            1            tanh (1/4)             
4*   /   1 + -------------- + -------------- *tanh(1/4)
    /                2                2                
  \/         1 - tanh (1/4)   1 - tanh (1/4)           
$$4 \sqrt{\frac{\tanh^{2}{\left(\frac{1}{4} \right)}}{1 - \tanh^{2}{\left(\frac{1}{4} \right)}} + 1 + \frac{1}{1 - \tanh^{2}{\left(\frac{1}{4} \right)}}} \tanh{\left(\frac{1}{4} \right)}$$
=
=
        _____________________________________          
       /                            2                  
      /            1            tanh (1/4)             
4*   /   1 + -------------- + -------------- *tanh(1/4)
    /                2                2                
  \/         1 - tanh (1/4)   1 - tanh (1/4)           
$$4 \sqrt{\frac{\tanh^{2}{\left(\frac{1}{4} \right)}}{1 - \tanh^{2}{\left(\frac{1}{4} \right)}} + 1 + \frac{1}{1 - \tanh^{2}{\left(\frac{1}{4} \right)}}} \tanh{\left(\frac{1}{4} \right)}$$
4*sqrt(1 + 1/(1 - tanh(1/4)^2) + tanh(1/4)^2/(1 - tanh(1/4)^2))*tanh(1/4)
Respuesta numérica [src]
1.4289910578104
1.4289910578104

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