Sr Examen

Derivada de x^sinx*lnx

Función f() - derivada -er orden en el punto
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Gráfico:

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Definida a trozos:

Solución

Ha introducido [src]
 sin(x)       
x      *log(x)
xsin(x)log(x)x^{\sin{\left(x \right)}} \log{\left(x \right)}
x^sin(x)*log(x)
Solución detallada
  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)=xsin(x)f{\left(x \right)} = x^{\sin{\left(x \right)}}; calculamos ddxf(x)\frac{d}{d x} f{\left(x \right)}:

    1. No logro encontrar los pasos en la búsqueda de esta derivada.

      Perola derivada

      (log(sin(x))+1)sinsin(x)(x)\left(\log{\left(\sin{\left(x \right)} \right)} + 1\right) \sin^{\sin{\left(x \right)}}{\left(x \right)}

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

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

    Como resultado de: (log(sin(x))+1)log(x)sinsin(x)(x)+xsin(x)x\left(\log{\left(\sin{\left(x \right)} \right)} + 1\right) \log{\left(x \right)} \sin^{\sin{\left(x \right)}}{\left(x \right)} + \frac{x^{\sin{\left(x \right)}}}{x}

  2. Simplificamos:

    x(log(sin(x))+1)log(x)sinsin(x)(x)+xsin(x)x\frac{x \left(\log{\left(\sin{\left(x \right)} \right)} + 1\right) \log{\left(x \right)} \sin^{\sin{\left(x \right)}}{\left(x \right)} + x^{\sin{\left(x \right)}}}{x}


Respuesta:

x(log(sin(x))+1)log(x)sinsin(x)(x)+xsin(x)x\frac{x \left(\log{\left(\sin{\left(x \right)} \right)} + 1\right) \log{\left(x \right)} \sin^{\sin{\left(x \right)}}{\left(x \right)} + x^{\sin{\left(x \right)}}}{x}

Gráfica
02468-8-6-4-2-1010-5050
Primera derivada [src]
 sin(x)                                          
x          sin(x) /sin(x)                \       
------- + x      *|------ + cos(x)*log(x)|*log(x)
   x              \  x                   /       
xsin(x)(log(x)cos(x)+sin(x)x)log(x)+xsin(x)xx^{\sin{\left(x \right)}} \left(\log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}\right) \log{\left(x \right)} + \frac{x^{\sin{\left(x \right)}}}{x}
Segunda derivada [src]
        /                                                                                  /sin(x)                \\
        |       /                        2                                    \          2*|------ + cos(x)*log(x)||
 sin(x) |  1    |/sin(x)                \    sin(x)                   2*cos(x)|            \  x                   /|
x      *|- -- + ||------ + cos(x)*log(x)|  - ------ - log(x)*sin(x) + --------|*log(x) + --------------------------|
        |   2   |\  x                   /       2                        x    |                      x             |
        \  x    \                              x                              /                                    /
xsin(x)(((log(x)cos(x)+sin(x)x)2log(x)sin(x)+2cos(x)xsin(x)x2)log(x)+2(log(x)cos(x)+sin(x)x)x1x2)x^{\sin{\left(x \right)}} \left(\left(\left(\log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}\right)^{2} - \log{\left(x \right)} \sin{\left(x \right)} + \frac{2 \cos{\left(x \right)}}{x} - \frac{\sin{\left(x \right)}}{x^{2}}\right) \log{\left(x \right)} + \frac{2 \left(\log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}\right)}{x} - \frac{1}{x^{2}}\right)
Tercera derivada [src]
        /                                                                                                                                                                                             /                        2                                    \\
        |                                                                                                                                                                                             |/sin(x)                \    sin(x)                   2*cos(x)||
        |                                                                                                                                                                /sin(x)                \   3*||------ + cos(x)*log(x)|  - ------ - log(x)*sin(x) + --------||
        |     /                          3                                                                                                                  \          3*|------ + cos(x)*log(x)|     |\  x                   /       2                        x    ||
 sin(x) |2    |  /sin(x)                \                    2*sin(x)   3*sin(x)   3*cos(x)     /sin(x)                \ /sin(x)                   2*cos(x)\|            \  x                   /     \                              x                              /|
x      *|-- - |- |------ + cos(x)*log(x)|  + cos(x)*log(x) - -------- + -------- + -------- + 3*|------ + cos(x)*log(x)|*|------ + log(x)*sin(x) - --------||*log(x) - -------------------------- + -----------------------------------------------------------------|
        | 3   |  \  x                   /                        3         x           2        \  x                   / |   2                        x    ||                       2                                               x                                |
        \x    \                                                 x                     x                                  \  x                              //                      x                                                                                 /
xsin(x)(((log(x)cos(x)+sin(x)x)3+3(log(x)cos(x)+sin(x)x)(log(x)sin(x)2cos(x)x+sin(x)x2)+log(x)cos(x)+3sin(x)x+3cos(x)x22sin(x)x3)log(x)+3((log(x)cos(x)+sin(x)x)2log(x)sin(x)+2cos(x)xsin(x)x2)x3(log(x)cos(x)+sin(x)x)x2+2x3)x^{\sin{\left(x \right)}} \left(- \left(- \left(\log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}\right)^{3} + 3 \left(\log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}\right) \left(\log{\left(x \right)} \sin{\left(x \right)} - \frac{2 \cos{\left(x \right)}}{x} + \frac{\sin{\left(x \right)}}{x^{2}}\right) + \log{\left(x \right)} \cos{\left(x \right)} + \frac{3 \sin{\left(x \right)}}{x} + \frac{3 \cos{\left(x \right)}}{x^{2}} - \frac{2 \sin{\left(x \right)}}{x^{3}}\right) \log{\left(x \right)} + \frac{3 \left(\left(\log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}\right)^{2} - \log{\left(x \right)} \sin{\left(x \right)} + \frac{2 \cos{\left(x \right)}}{x} - \frac{\sin{\left(x \right)}}{x^{2}}\right)}{x} - \frac{3 \left(\log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}\right)}{x^{2}} + \frac{2}{x^{3}}\right)
Gráfico
Derivada de x^sinx*lnx