Sr Examen

Derivada de x*sin(sin(sin(x)))

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

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Solución

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

    1. Según el principio, aplicamos: xx tenemos 11

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

    1. Sustituimos u=sin(sin(x))u = \sin{\left(\sin{\left(x \right)} \right)}.

    2. La derivada del seno es igual al coseno:

      ddusin(u)=cos(u)\frac{d}{d u} \sin{\left(u \right)} = \cos{\left(u \right)}

    3. Luego se aplica una cadena de reglas. Multiplicamos por ddxsin(sin(x))\frac{d}{d x} \sin{\left(\sin{\left(x \right)} \right)}:

      1. Sustituimos u=sin(x)u = \sin{\left(x \right)}.

      2. La derivada del seno es igual al coseno:

        ddusin(u)=cos(u)\frac{d}{d u} \sin{\left(u \right)} = \cos{\left(u \right)}

      3. Luego se aplica una cadena de reglas. Multiplicamos por ddxsin(x)\frac{d}{d x} \sin{\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 la secuencia de reglas:

        cos(x)cos(sin(x))\cos{\left(x \right)} \cos{\left(\sin{\left(x \right)} \right)}

      Como resultado de la secuencia de reglas:

      cos(x)cos(sin(x))cos(sin(sin(x)))\cos{\left(x \right)} \cos{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)}

    Como resultado de: xcos(x)cos(sin(x))cos(sin(sin(x)))+sin(sin(sin(x)))x \cos{\left(x \right)} \cos{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} + \sin{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)}


Respuesta:

xcos(x)cos(sin(x))cos(sin(sin(x)))+sin(sin(sin(x)))x \cos{\left(x \right)} \cos{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} + \sin{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)}

Gráfica
02468-8-6-4-2-1010-2020
Primera derivada [src]
x*cos(x)*cos(sin(x))*cos(sin(sin(x))) + sin(sin(sin(x)))
xcos(x)cos(sin(x))cos(sin(sin(x)))+sin(sin(sin(x)))x \cos{\left(x \right)} \cos{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} + \sin{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)}
Segunda derivada [src]
    /   2       2                               2                                                                      \                                        
- x*\cos (x)*cos (sin(x))*sin(sin(sin(x))) + cos (x)*cos(sin(sin(x)))*sin(sin(x)) + cos(sin(x))*cos(sin(sin(x)))*sin(x)/ + 2*cos(x)*cos(sin(x))*cos(sin(sin(x)))
x(sin(x)cos(sin(x))cos(sin(sin(x)))+sin(sin(x))cos2(x)cos(sin(sin(x)))+sin(sin(sin(x)))cos2(x)cos2(sin(x)))+2cos(x)cos(sin(x))cos(sin(sin(x)))- x \left(\sin{\left(x \right)} \cos{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} + \sin{\left(\sin{\left(x \right)} \right)} \cos^{2}{\left(x \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} + \sin{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} \cos^{2}{\left(x \right)} \cos^{2}{\left(\sin{\left(x \right)} \right)}\right) + 2 \cos{\left(x \right)} \cos{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)}
Tercera derivada [src]
  /                                   2       3                               2                                        2                                                                                2                                            \               2       2                                 2                                                                        
x*\-cos(sin(x))*cos(sin(sin(x))) - cos (x)*cos (sin(x))*cos(sin(sin(x))) - cos (x)*cos(sin(x))*cos(sin(sin(x))) + 3*cos (sin(x))*sin(x)*sin(sin(sin(x))) + 3*cos(sin(sin(x)))*sin(x)*sin(sin(x)) + 3*cos (x)*cos(sin(x))*sin(sin(x))*sin(sin(sin(x)))/*cos(x) - 3*cos (x)*cos (sin(x))*sin(sin(sin(x))) - 3*cos (x)*cos(sin(sin(x)))*sin(sin(x)) - 3*cos(sin(x))*cos(sin(sin(x)))*sin(x)
x(3sin(x)sin(sin(x))cos(sin(sin(x)))+3sin(x)sin(sin(sin(x)))cos2(sin(x))+3sin(sin(x))sin(sin(sin(x)))cos2(x)cos(sin(x))cos2(x)cos3(sin(x))cos(sin(sin(x)))cos2(x)cos(sin(x))cos(sin(sin(x)))cos(sin(x))cos(sin(sin(x))))cos(x)3sin(x)cos(sin(x))cos(sin(sin(x)))3sin(sin(x))cos2(x)cos(sin(sin(x)))3sin(sin(sin(x)))cos2(x)cos2(sin(x))x \left(3 \sin{\left(x \right)} \sin{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} + 3 \sin{\left(x \right)} \sin{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} \cos^{2}{\left(\sin{\left(x \right)} \right)} + 3 \sin{\left(\sin{\left(x \right)} \right)} \sin{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} \cos^{2}{\left(x \right)} \cos{\left(\sin{\left(x \right)} \right)} - \cos^{2}{\left(x \right)} \cos^{3}{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} - \cos^{2}{\left(x \right)} \cos{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} - \cos{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)}\right) \cos{\left(x \right)} - 3 \sin{\left(x \right)} \cos{\left(\sin{\left(x \right)} \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} - 3 \sin{\left(\sin{\left(x \right)} \right)} \cos^{2}{\left(x \right)} \cos{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} - 3 \sin{\left(\sin{\left(\sin{\left(x \right)} \right)} \right)} \cos^{2}{\left(x \right)} \cos^{2}{\left(\sin{\left(x \right)} \right)}
Gráfico
Derivada de x*sin(sin(sin(x)))