Sr Examen

Otras calculadoras

Derivada de y=ln(sinxcosx/e^x2^x)

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

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
   /sin(x)*cos(x)\
log|-------------|
   |     /  x\   |
   |     \x2 /   |
   \    E        /
log(sin(x)cos(x)ex2x)\log{\left(\frac{\sin{\left(x \right)} \cos{\left(x \right)}}{e^{x_{2}^{x}}} \right)}
log((sin(x)*cos(x))/E^(x2^x))
Solución detallada
  1. Sustituimos u=sin(x)cos(x)ex2xu = \frac{\sin{\left(x \right)} \cos{\left(x \right)}}{e^{x_{2}^{x}}}.

  2. Derivado log(u)\log{\left(u \right)} es 1u\frac{1}{u}.

  3. Luego se aplica una cadena de reglas. Multiplicamos por xsin(x)cos(x)ex2x\frac{\partial}{\partial x} \frac{\sin{\left(x \right)} \cos{\left(x \right)}}{e^{x_{2}^{x}}}:

    1. Se aplica la regla de la derivada parcial:

      ddxf(x)g(x)=f(x)ddxg(x)+g(x)ddxf(x)g2(x)\frac{d}{d x} \frac{f{\left(x \right)}}{g{\left(x \right)}} = \frac{- f{\left(x \right)} \frac{d}{d x} g{\left(x \right)} + g{\left(x \right)} \frac{d}{d x} f{\left(x \right)}}{g^{2}{\left(x \right)}}

      f(x)=sin(x)cos(x)f{\left(x \right)} = \sin{\left(x \right)} \cos{\left(x \right)} y g(x)=ex2xg{\left(x \right)} = e^{x_{2}^{x}}.

      Para calcular ddxf(x)\frac{d}{d x} f{\left(x \right)}:

      1. Se aplica la regla de la derivada de una multiplicación:

        ddxf(x)g(x)=f(x)ddxg(x)+g(x)ddxf(x)\frac{d}{d x} f{\left(x \right)} g{\left(x \right)} = f{\left(x \right)} \frac{d}{d x} g{\left(x \right)} + g{\left(x \right)} \frac{d}{d x} f{\left(x \right)}

        f(x)=cos(x)f{\left(x \right)} = \cos{\left(x \right)}; calculamos ddxf(x)\frac{d}{d x} f{\left(x \right)}:

        1. La derivada del coseno es igual a menos el seno:

          ddxcos(x)=sin(x)\frac{d}{d x} \cos{\left(x \right)} = - \sin{\left(x \right)}

        g(x)=sin(x)g{\left(x \right)} = \sin{\left(x \right)}; calculamos ddxg(x)\frac{d}{d x} g{\left(x \right)}:

        1. La derivada del seno es igual al coseno:

          ddxsin(x)=cos(x)\frac{d}{d x} \sin{\left(x \right)} = \cos{\left(x \right)}

        Como resultado de: sin2(x)+cos2(x)- \sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}

      Para calcular ddxg(x)\frac{d}{d x} g{\left(x \right)}:

      1. Sustituimos u=x2xu = x_{2}^{x}.

      2. Derivado eue^{u} es.

      3. Luego se aplica una cadena de reglas. Multiplicamos por xx2x\frac{\partial}{\partial x} x_{2}^{x}:

        1. xx2x=x2xlog(x2)\frac{\partial}{\partial x} x_{2}^{x} = x_{2}^{x} \log{\left(x_{2} \right)}

        Como resultado de la secuencia de reglas:

        x2xex2xlog(x2)x_{2}^{x} e^{x_{2}^{x}} \log{\left(x_{2} \right)}

      Ahora aplicamos la regla de la derivada de una divesión:

      (x2xex2xlog(x2)sin(x)cos(x)+(sin2(x)+cos2(x))ex2x)e2x2x\left(- x_{2}^{x} e^{x_{2}^{x}} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \left(- \sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}\right) e^{x_{2}^{x}}\right) e^{- 2 x_{2}^{x}}

    Como resultado de la secuencia de reglas:

    (x2xex2xlog(x2)sin(x)cos(x)+(sin2(x)+cos2(x))ex2x)ex2xsin(x)cos(x)\frac{\left(- x_{2}^{x} e^{x_{2}^{x}} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \left(- \sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}\right) e^{x_{2}^{x}}\right) e^{- x_{2}^{x}}}{\sin{\left(x \right)} \cos{\left(x \right)}}

  4. Simplificamos:

    x2xlog(x2)2tan(x)+2sin(2x)- x_{2}^{x} \log{\left(x_{2} \right)} - 2 \tan{\left(x \right)} + \frac{2}{\sin{\left(2 x \right)}}


Respuesta:

x2xlog(x2)2tan(x)+2sin(2x)- x_{2}^{x} \log{\left(x_{2} \right)} - 2 \tan{\left(x \right)} + \frac{2}{\sin{\left(2 x \right)}}

Primera derivada [src]
/                        x                  x               \  /  x\
|/   2         2   \  -x2      x         -x2                |  \x2 /
\\cos (x) - sin (x)/*e     - x2 *cos(x)*e    *log(x2)*sin(x)/*e     
--------------------------------------------------------------------
                           cos(x)*sin(x)                            
(x2xex2xlog(x2)sin(x)cos(x)+(sin2(x)+cos2(x))ex2x)ex2xsin(x)cos(x)\frac{\left(- x_{2}^{x} e^{- x_{2}^{x}} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \left(- \sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}\right) e^{- x_{2}^{x}}\right) e^{x_{2}^{x}}}{\sin{\left(x \right)} \cos{\left(x \right)}}
Segunda derivada [src]
   2         2        x                            2         2        x                                              x    2                x /   2         2   \             x    2                2*x    2                       x    2                       x /   2         2        x                      \        
sin (x) - cos (x) + x2 *cos(x)*log(x2)*sin(x)   sin (x) - cos (x) + x2 *cos(x)*log(x2)*sin(x)   -4*cos(x)*sin(x) + x2 *sin (x)*log(x2) + x2 *\sin (x) - cos (x)/*log(x2) - x2 *cos (x)*log(x2) + x2   *log (x2)*cos(x)*sin(x) - x2 *log (x2)*cos(x)*sin(x)   x2 *\sin (x) - cos (x) + x2 *cos(x)*log(x2)*sin(x)/*log(x2)
--------------------------------------------- - --------------------------------------------- + ---------------------------------------------------------------------------------------------------------------------------------------------------------- - -----------------------------------------------------------
                      2                                               2                                                                                               cos(x)*sin(x)                                                                                                 cos(x)*sin(x)                       
                   sin (x)                                         cos (x)                                                                                                                                                                                                                                              
x2x(x2xlog(x2)sin(x)cos(x)+sin2(x)cos2(x))log(x2)sin(x)cos(x)x2xlog(x2)sin(x)cos(x)+sin2(x)cos2(x)cos2(x)+x2xlog(x2)sin(x)cos(x)+sin2(x)cos2(x)sin2(x)+x22xlog(x2)2sin(x)cos(x)+x2x(sin2(x)cos2(x))log(x2)x2xlog(x2)2sin(x)cos(x)+x2xlog(x2)sin2(x)x2xlog(x2)cos2(x)4sin(x)cos(x)sin(x)cos(x)- \frac{x_{2}^{x} \left(x_{2}^{x} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}} - \frac{x_{2}^{x} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}}{\cos^{2}{\left(x \right)}} + \frac{x_{2}^{x} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}}{\sin^{2}{\left(x \right)}} + \frac{x_{2}^{2 x} \log{\left(x_{2} \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + x_{2}^{x} \left(\sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)} - x_{2}^{x} \log{\left(x_{2} \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + x_{2}^{x} \log{\left(x_{2} \right)} \sin^{2}{\left(x \right)} - x_{2}^{x} \log{\left(x_{2} \right)} \cos^{2}{\left(x \right)} - 4 \sin{\left(x \right)} \cos{\left(x \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}}
Tercera derivada [src]
    /                     x    2                x /   2         2   \             x    2                2*x    2                       x    2                  \     /                     x    2                x /   2         2   \             x    2                2*x    2                       x    2                  \          2           2        2*x    2     /   2         2   \     x    2     /   2         2   \       x    2        2          2*x    2       2           x    2       2           2*x    2        2        x    3                       3*x    3                          x                             2*x    3                       /   2         2        x                      \            /   2         2        x                      \              x /   2         2        x                      \               x /   2         2        x                      \             x    2     /   2         2        x                      \     2*x    2     /   2         2        x                      \       x /                     x    2                x /   2         2   \             x    2                2*x    2                       x    2                  \        
  2*\-4*cos(x)*sin(x) + x2 *sin (x)*log(x2) + x2 *\sin (x) - cos (x)/*log(x2) - x2 *cos (x)*log(x2) + x2   *log (x2)*cos(x)*sin(x) - x2 *log (x2)*cos(x)*sin(x)/   2*\-4*cos(x)*sin(x) + x2 *sin (x)*log(x2) + x2 *\sin (x) - cos (x)/*log(x2) - x2 *cos (x)*log(x2) + x2   *log (x2)*cos(x)*sin(x) - x2 *log (x2)*cos(x)*sin(x)/   - 4*sin (x) + 4*cos (x) + x2   *log (x2)*\sin (x) - cos (x)/ - x2 *log (x2)*\sin (x) - cos (x)/ - 2*x2 *log (x2)*sin (x) - 2*x2   *cos (x)*log (x2) + 2*x2 *cos (x)*log (x2) + 2*x2   *log (x2)*sin (x) + x2 *log (x2)*cos(x)*sin(x) + x2   *log (x2)*cos(x)*sin(x) - 12*x2 *cos(x)*log(x2)*sin(x) - 3*x2   *log (x2)*cos(x)*sin(x)   2*\sin (x) - cos (x) + x2 *cos(x)*log(x2)*sin(x)/*sin(x)   2*\sin (x) - cos (x) + x2 *cos(x)*log(x2)*sin(x)/*cos(x)   2*x2 *\sin (x) - cos (x) + x2 *cos(x)*log(x2)*sin(x)/*log(x2)   2*x2 *\sin (x) - cos (x) + x2 *cos(x)*log(x2)*sin(x)/*log(x2)   x2 *log (x2)*\sin (x) - cos (x) + x2 *cos(x)*log(x2)*sin(x)/   x2   *log (x2)*\sin (x) - cos (x) + x2 *cos(x)*log(x2)*sin(x)/   2*x2 *\-4*cos(x)*sin(x) + x2 *sin (x)*log(x2) + x2 *\sin (x) - cos (x)/*log(x2) - x2 *cos (x)*log(x2) + x2   *log (x2)*cos(x)*sin(x) - x2 *log (x2)*cos(x)*sin(x)/*log(x2)
- -------------------------------------------------------------------------------------------------------------------------------------------------------------- + -------------------------------------------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------- - -------------------------------------------------------- - ------------------------------------------------------------- + ------------------------------------------------------------- - ------------------------------------------------------------ - -------------------------------------------------------------- + --------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                2                                                                                                                                                                2                                                                                                                                                                                                                                             cos(x)*sin(x)                                                                                                                                                                                         3                                                          3                                                             2                                                               2                                                        cos(x)*sin(x)                                                   cos(x)*sin(x)                                                                                                          cos(x)*sin(x)                                                                               
                                                                             sin (x)                                                                                                                                                          cos (x)                                                                                                                                                                                                                                                                                                                                                                                                                                             cos (x)                                                    sin (x)                                                       cos (x)                                                         sin (x)                                                                                                                                                                                                                                                                                                                                        
x22x(x2xlog(x2)sin(x)cos(x)+sin2(x)cos2(x))log(x2)2sin(x)cos(x)x2x(x2xlog(x2)sin(x)cos(x)+sin2(x)cos2(x))log(x2)2sin(x)cos(x)2x2x(x2xlog(x2)sin(x)cos(x)+sin2(x)cos2(x))log(x2)cos2(x)+2x2x(x2xlog(x2)sin(x)cos(x)+sin2(x)cos2(x))log(x2)sin2(x)+2x2x(x22xlog(x2)2sin(x)cos(x)+x2x(sin2(x)cos2(x))log(x2)x2xlog(x2)2sin(x)cos(x)+x2xlog(x2)sin2(x)x2xlog(x2)cos2(x)4sin(x)cos(x))log(x2)sin(x)cos(x)2(x2xlog(x2)sin(x)cos(x)+sin2(x)cos2(x))sin(x)cos3(x)2(x2xlog(x2)sin(x)cos(x)+sin2(x)cos2(x))cos(x)sin3(x)+2(x22xlog(x2)2sin(x)cos(x)+x2x(sin2(x)cos2(x))log(x2)x2xlog(x2)2sin(x)cos(x)+x2xlog(x2)sin2(x)x2xlog(x2)cos2(x)4sin(x)cos(x))cos2(x)2(x22xlog(x2)2sin(x)cos(x)+x2x(sin2(x)cos2(x))log(x2)x2xlog(x2)2sin(x)cos(x)+x2xlog(x2)sin2(x)x2xlog(x2)cos2(x)4sin(x)cos(x))sin2(x)x23xlog(x2)3sin(x)cos(x)+x22x(sin2(x)cos2(x))log(x2)23x22xlog(x2)3sin(x)cos(x)+2x22xlog(x2)2sin2(x)2x22xlog(x2)2cos2(x)x2x(sin2(x)cos2(x))log(x2)2+x2xlog(x2)3sin(x)cos(x)2x2xlog(x2)2sin2(x)+2x2xlog(x2)2cos2(x)12x2xlog(x2)sin(x)cos(x)4sin2(x)+4cos2(x)sin(x)cos(x)- \frac{x_{2}^{2 x} \left(x_{2}^{x} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)}^{2}}{\sin{\left(x \right)} \cos{\left(x \right)}} - \frac{x_{2}^{x} \left(x_{2}^{x} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)}^{2}}{\sin{\left(x \right)} \cos{\left(x \right)}} - \frac{2 x_{2}^{x} \left(x_{2}^{x} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)}}{\cos^{2}{\left(x \right)}} + \frac{2 x_{2}^{x} \left(x_{2}^{x} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)}}{\sin^{2}{\left(x \right)}} + \frac{2 x_{2}^{x} \left(x_{2}^{2 x} \log{\left(x_{2} \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + x_{2}^{x} \left(\sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)} - x_{2}^{x} \log{\left(x_{2} \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + x_{2}^{x} \log{\left(x_{2} \right)} \sin^{2}{\left(x \right)} - x_{2}^{x} \log{\left(x_{2} \right)} \cos^{2}{\left(x \right)} - 4 \sin{\left(x \right)} \cos{\left(x \right)}\right) \log{\left(x_{2} \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}} - \frac{2 \left(x_{2}^{x} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)}}{\cos^{3}{\left(x \right)}} - \frac{2 \left(x_{2}^{x} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \cos{\left(x \right)}}{\sin^{3}{\left(x \right)}} + \frac{2 \left(x_{2}^{2 x} \log{\left(x_{2} \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + x_{2}^{x} \left(\sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)} - x_{2}^{x} \log{\left(x_{2} \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + x_{2}^{x} \log{\left(x_{2} \right)} \sin^{2}{\left(x \right)} - x_{2}^{x} \log{\left(x_{2} \right)} \cos^{2}{\left(x \right)} - 4 \sin{\left(x \right)} \cos{\left(x \right)}\right)}{\cos^{2}{\left(x \right)}} - \frac{2 \left(x_{2}^{2 x} \log{\left(x_{2} \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + x_{2}^{x} \left(\sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)} - x_{2}^{x} \log{\left(x_{2} \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + x_{2}^{x} \log{\left(x_{2} \right)} \sin^{2}{\left(x \right)} - x_{2}^{x} \log{\left(x_{2} \right)} \cos^{2}{\left(x \right)} - 4 \sin{\left(x \right)} \cos{\left(x \right)}\right)}{\sin^{2}{\left(x \right)}} - \frac{x_{2}^{3 x} \log{\left(x_{2} \right)}^{3} \sin{\left(x \right)} \cos{\left(x \right)} + x_{2}^{2 x} \left(\sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)}^{2} - 3 x_{2}^{2 x} \log{\left(x_{2} \right)}^{3} \sin{\left(x \right)} \cos{\left(x \right)} + 2 x_{2}^{2 x} \log{\left(x_{2} \right)}^{2} \sin^{2}{\left(x \right)} - 2 x_{2}^{2 x} \log{\left(x_{2} \right)}^{2} \cos^{2}{\left(x \right)} - x_{2}^{x} \left(\sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(x_{2} \right)}^{2} + x_{2}^{x} \log{\left(x_{2} \right)}^{3} \sin{\left(x \right)} \cos{\left(x \right)} - 2 x_{2}^{x} \log{\left(x_{2} \right)}^{2} \sin^{2}{\left(x \right)} + 2 x_{2}^{x} \log{\left(x_{2} \right)}^{2} \cos^{2}{\left(x \right)} - 12 x_{2}^{x} \log{\left(x_{2} \right)} \sin{\left(x \right)} \cos{\left(x \right)} - 4 \sin^{2}{\left(x \right)} + 4 \cos^{2}{\left(x \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}}