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((x-sen2x)/(x+sen2x))^2

Derivada de ((x-sen2x)/(x+sen2x))^2

Función f() - derivada -er orden en el punto
v

Gráfico:

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Definida a trozos:

Solución

Ha introducido [src]
              2
/x - sin(2*x)\ 
|------------| 
\x + sin(2*x)/ 
$$\left(\frac{x - \sin{\left(2 x \right)}}{x + \sin{\left(2 x \right)}}\right)^{2}$$
((x - sin(2*x))/(x + sin(2*x)))^2
Solución detallada
  1. Sustituimos .

  2. Según el principio, aplicamos: tenemos

  3. Luego se aplica una cadena de reglas. Multiplicamos por :

    1. Se aplica la regla de la derivada parcial:

      y .

      Para calcular :

      1. diferenciamos miembro por miembro:

        1. Según el principio, aplicamos: tenemos

        2. La derivada del producto de una constante por función es igual al producto de esta constante por la derivada de esta función.

          1. Sustituimos .

          2. La derivada del seno es igual al coseno:

          3. Luego se aplica una cadena de reglas. Multiplicamos por :

            1. La derivada del producto de una constante por función es igual al producto de esta constante por la derivada de esta función.

              1. Según el principio, aplicamos: tenemos

              Entonces, como resultado:

            Como resultado de la secuencia de reglas:

          Entonces, como resultado:

        Como resultado de:

      Para calcular :

      1. diferenciamos miembro por miembro:

        1. Según el principio, aplicamos: tenemos

        2. Sustituimos .

        3. La derivada del seno es igual al coseno:

        4. Luego se aplica una cadena de reglas. Multiplicamos por :

          1. La derivada del producto de una constante por función es igual al producto de esta constante por la derivada de esta función.

            1. Según el principio, aplicamos: tenemos

            Entonces, como resultado:

          Como resultado de la secuencia de reglas:

        Como resultado de:

      Ahora aplicamos la regla de la derivada de una divesión:

    Como resultado de la secuencia de reglas:

  4. Simplificamos:


Respuesta:

Gráfica
Primera derivada [src]
              2                                                                         
(x - sin(2*x))                 /2*(1 - 2*cos(2*x))   2*(-1 - 2*cos(2*x))*(x - sin(2*x))\
---------------*(x + sin(2*x))*|------------------ + ----------------------------------|
              2                |   x + sin(2*x)                             2          |
(x + sin(2*x))                 \                              (x + sin(2*x))           /
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                                      x - sin(2*x)                                      
$$\frac{\frac{\left(x - \sin{\left(2 x \right)}\right)^{2}}{\left(x + \sin{\left(2 x \right)}\right)^{2}} \left(x + \sin{\left(2 x \right)}\right) \left(\frac{2 \left(1 - 2 \cos{\left(2 x \right)}\right)}{x + \sin{\left(2 x \right)}} + \frac{2 \left(x - \sin{\left(2 x \right)}\right) \left(- 2 \cos{\left(2 x \right)} - 1\right)}{\left(x + \sin{\left(2 x \right)}\right)^{2}}\right)}{x - \sin{\left(2 x \right)}}$$
Segunda derivada [src]
  /                                                                                                                                                                                                                                                                                                     /                  (1 + 2*cos(2*x))*(x - sin(2*x))\\
  |                                                     2                                                                                            /                             2                                                                                \   (1 + 2*cos(2*x))*(x - sin(2*x))*|-1 + 2*cos(2*x) + -------------------------------||
  |  /                  (1 + 2*cos(2*x))*(x - sin(2*x))\                      /                  (1 + 2*cos(2*x))*(x - sin(2*x))\                    |             (1 + 2*cos(2*x)) *(x - sin(2*x))   (1 + 2*cos(2*x))*(-1 + 2*cos(2*x))   2*(x - sin(2*x))*sin(2*x)|                                   \                            x + sin(2*x)         /|
2*|2*|-1 + 2*cos(2*x) + -------------------------------|  - (-1 + 2*cos(2*x))*|-1 + 2*cos(2*x) + -------------------------------| + 2*(x - sin(2*x))*|2*sin(2*x) + -------------------------------- + ---------------------------------- + -------------------------| - -----------------------------------------------------------------------------------|
  |  \                            x + sin(2*x)         /                      \                            x + sin(2*x)         /                    |                                   2                       x + sin(2*x)                     x + sin(2*x)      |                                       x + sin(2*x)                                   |
  \                                                                                                                                                  \                     (x + sin(2*x))                                                                           /                                                                                      /
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                                                                                                                                                                                    2                                                                                                                                                                       
                                                                                                                                                                      (x + sin(2*x))                                                                                                                                                                        
$$\frac{2 \left(2 \left(x - \sin{\left(2 x \right)}\right) \left(\frac{2 \left(x - \sin{\left(2 x \right)}\right) \sin{\left(2 x \right)}}{x + \sin{\left(2 x \right)}} + \frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)^{2}}{\left(x + \sin{\left(2 x \right)}\right)^{2}} + 2 \sin{\left(2 x \right)} + \frac{\left(2 \cos{\left(2 x \right)} - 1\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}}\right) - \frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right) \left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right)}{x + \sin{\left(2 x \right)}} - \left(2 \cos{\left(2 x \right)} - 1\right) \left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right) + 2 \left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right)^{2}\right)}{\left(x + \sin{\left(2 x \right)}\right)^{2}}$$
Tercera derivada [src]
  /                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    /                                                                   2               2                   2                                                               \                                                                                                                                                                                                                                                                \
  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2                                                                        2                    /                  (1 + 2*cos(2*x))*(x - sin(2*x))\ |                 2                               3*(1 + 2*cos(2*x)) *(x - sin(2*x))    4*(x - sin(2*x)) *sin(2*x)   4*(1 + 2*cos(2*x))*(-1 + 2*cos(2*x))*(x - sin(2*x))|                                                                                                                                                                                                                                                                |
  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               /                  (1 + 2*cos(2*x))*(x - sin(2*x))\                      /                  (1 + 2*cos(2*x))*(x - sin(2*x))\                     |-1 + 2*cos(2*x) + -------------------------------|*|(-1 + 2*cos(2*x))  + 4*(x - sin(2*x))*sin(2*x) + ----------------------------------- + -------------------------- + ---------------------------------------------------|                   2                /                  (1 + 2*cos(2*x))*(x - sin(2*x))\                                      /                  (1 + 2*cos(2*x))*(x - sin(2*x))\                    /                  (1 + 2*cos(2*x))*(x - sin(2*x))\         |
  |                 /                                                            2                                       3                                                                                                                          \                                                         /                             2                                                                                \                                                                    |-1 + 2*cos(2*x) + -------------------------------| *(-1 + 2*cos(2*x))   |-1 + 2*cos(2*x) + -------------------------------| *(1 + 2*cos(2*x))   \                            x + sin(2*x)         / |                                                                         2                    x + sin(2*x)                              x + sin(2*x)                   |   (1 + 2*cos(2*x)) *(x - sin(2*x))*|-1 + 2*cos(2*x) + -------------------------------|   (1 + 2*cos(2*x))*(-1 + 2*cos(2*x))*|-1 + 2*cos(2*x) + -------------------------------|   2*(x - sin(2*x))*|-1 + 2*cos(2*x) + -------------------------------|*sin(2*x)|
  |                 |              4*(x - sin(2*x))*cos(2*x)   3*(1 + 2*cos(2*x)) *(-1 + 2*cos(2*x))   3*(1 + 2*cos(2*x)) *(x - sin(2*x))   6*(1 + 2*cos(2*x))*sin(2*x)   6*(-1 + 2*cos(2*x))*sin(2*x)   12*(1 + 2*cos(2*x))*(x - sin(2*x))*sin(2*x)|     /                  (1 + 2*cos(2*x))*(x - sin(2*x))\ |             (1 + 2*cos(2*x)) *(x - sin(2*x))   (1 + 2*cos(2*x))*(-1 + 2*cos(2*x))   2*(x - sin(2*x))*sin(2*x)|     /                  (1 + 2*cos(2*x))*(x - sin(2*x))\            \                            x + sin(2*x)         /                      \                            x + sin(2*x)         /                                                                         \                                                           (x + sin(2*x))                                                                                              /                                    \                            x + sin(2*x)         /                                      \                            x + sin(2*x)         /                    \                            x + sin(2*x)         /         |
4*|- (x - sin(2*x))*|-4*cos(2*x) - ------------------------- + ------------------------------------- + ---------------------------------- + --------------------------- + ---------------------------- + -------------------------------------------| - 2*|-1 + 2*cos(2*x) + -------------------------------|*|2*sin(2*x) + -------------------------------- + ---------------------------------- + -------------------------| + 2*|-1 + 2*cos(2*x) + -------------------------------|*sin(2*x) + ---------------------------------------------------------------------- + --------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + ------------------------------------------------------------------------------------ + -------------------------------------------------------------------------------------- + -----------------------------------------------------------------------------|
  |                 |                     x + sin(2*x)                                  2                                     3                     x + sin(2*x)                  x + sin(2*x)                                       2              |     \                            x + sin(2*x)         / |                                   2                       x + sin(2*x)                     x + sin(2*x)      |     \                            x + sin(2*x)         /                                         x - sin(2*x)                                                             x + sin(2*x)                                                                                                                                        x - sin(2*x)                                                                                                                                                           2                                                                           x + sin(2*x)                                                                         x + sin(2*x)                                |
  \                 \                                                     (x + sin(2*x))                        (x + sin(2*x))                                                                                         (x + sin(2*x))               /                                                         \                     (x + sin(2*x))                                                                           /                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       (x + sin(2*x))                                                                                                                                                                                                             /
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 (x + sin(2*x))                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
$$\frac{4 \left(- \left(x - \sin{\left(2 x \right)}\right) \left(- \frac{4 \left(x - \sin{\left(2 x \right)}\right) \cos{\left(2 x \right)}}{x + \sin{\left(2 x \right)}} + \frac{12 \left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right) \sin{\left(2 x \right)}}{\left(x + \sin{\left(2 x \right)}\right)^{2}} + \frac{3 \left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)^{3}}{\left(x + \sin{\left(2 x \right)}\right)^{3}} - 4 \cos{\left(2 x \right)} + \frac{6 \left(2 \cos{\left(2 x \right)} - 1\right) \sin{\left(2 x \right)}}{x + \sin{\left(2 x \right)}} + \frac{6 \left(2 \cos{\left(2 x \right)} + 1\right) \sin{\left(2 x \right)}}{x + \sin{\left(2 x \right)}} + \frac{3 \left(2 \cos{\left(2 x \right)} - 1\right) \left(2 \cos{\left(2 x \right)} + 1\right)^{2}}{\left(x + \sin{\left(2 x \right)}\right)^{2}}\right) + \frac{2 \left(x - \sin{\left(2 x \right)}\right) \left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right) \sin{\left(2 x \right)}}{x + \sin{\left(2 x \right)}} + \frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)^{2} \left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right)}{\left(x + \sin{\left(2 x \right)}\right)^{2}} - 2 \left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right) \left(\frac{2 \left(x - \sin{\left(2 x \right)}\right) \sin{\left(2 x \right)}}{x + \sin{\left(2 x \right)}} + \frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)^{2}}{\left(x + \sin{\left(2 x \right)}\right)^{2}} + 2 \sin{\left(2 x \right)} + \frac{\left(2 \cos{\left(2 x \right)} - 1\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}}\right) + 2 \left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right) \sin{\left(2 x \right)} + \frac{\left(2 \cos{\left(2 x \right)} - 1\right) \left(2 \cos{\left(2 x \right)} + 1\right) \left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right)}{x + \sin{\left(2 x \right)}} + \frac{\left(2 \cos{\left(2 x \right)} + 1\right) \left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right)^{2}}{x + \sin{\left(2 x \right)}} + \frac{\left(2 \cos{\left(2 x \right)} - 1\right) \left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right)^{2}}{x - \sin{\left(2 x \right)}} - \frac{\left(\frac{\left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + 2 \cos{\left(2 x \right)} - 1\right) \left(\frac{4 \left(x - \sin{\left(2 x \right)}\right)^{2} \sin{\left(2 x \right)}}{x + \sin{\left(2 x \right)}} + \frac{3 \left(x - \sin{\left(2 x \right)}\right)^{2} \left(2 \cos{\left(2 x \right)} + 1\right)^{2}}{\left(x + \sin{\left(2 x \right)}\right)^{2}} + 4 \left(x - \sin{\left(2 x \right)}\right) \sin{\left(2 x \right)} + \frac{4 \left(x - \sin{\left(2 x \right)}\right) \left(2 \cos{\left(2 x \right)} - 1\right) \left(2 \cos{\left(2 x \right)} + 1\right)}{x + \sin{\left(2 x \right)}} + \left(2 \cos{\left(2 x \right)} - 1\right)^{2}\right)}{x - \sin{\left(2 x \right)}}\right)}{\left(x + \sin{\left(2 x \right)}\right)^{2}}$$
Gráfico
Derivada de ((x-sen2x)/(x+sen2x))^2