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x*exp(-3x^2*cos^2*sinx)

Derivada de x*exp(-3x^2*cos^2*sinx)

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

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Solución

Ha introducido [src]
       2    2          
   -3*x *cos (x)*sin(x)
x*e                    
xe3x2cos2(x)sin(x)x e^{- 3 x^{2} \cos^{2}{\left(x \right)} \sin{\left(x \right)}}
x*exp(((-3*x^2)*cos(x)^2)*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)=e3x2cos2(x)sin(x)g{\left(x \right)} = e^{- 3 x^{2} \cos^{2}{\left(x \right)} \sin{\left(x \right)}}; calculamos ddxg(x)\frac{d}{d x} g{\left(x \right)}:

    1. Sustituimos u=3x2cos2(x)sin(x)u = - 3 x^{2} \cos^{2}{\left(x \right)} \sin{\left(x \right)}.

    2. Derivado eue^{u} es.

    3. Luego se aplica una cadena de reglas. Multiplicamos por ddx3x2cos2(x)sin(x)\frac{d}{d x} - 3 x^{2} \cos^{2}{\left(x \right)} \sin{\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)=3x2cos2(x)f{\left(x \right)} = - 3 x^{2} \cos^{2}{\left(x \right)}; calculamos 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)=3x2f{\left(x \right)} = - 3 x^{2}; calculamos ddxf(x)\frac{d}{d x} f{\left(x \right)}:

          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: x2x^{2} tenemos 2x2 x

            Entonces, como resultado: 6x- 6 x

          g(x)=cos2(x)g{\left(x \right)} = \cos^{2}{\left(x \right)}; calculamos ddxg(x)\frac{d}{d x} g{\left(x \right)}:

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

          2. Según el principio, aplicamos: u2u^{2} tenemos 2u2 u

          3. Luego se aplica una cadena de reglas. Multiplicamos por ddxcos(x)\frac{d}{d x} \cos{\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)}

            Como resultado de la secuencia de reglas:

            2sin(x)cos(x)- 2 \sin{\left(x \right)} \cos{\left(x \right)}

          Como resultado de: 6x2sin(x)cos(x)6xcos2(x)6 x^{2} \sin{\left(x \right)} \cos{\left(x \right)} - 6 x \cos^{2}{\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: 3x2cos3(x)+(6x2sin(x)cos(x)6xcos2(x))sin(x)- 3 x^{2} \cos^{3}{\left(x \right)} + \left(6 x^{2} \sin{\left(x \right)} \cos{\left(x \right)} - 6 x \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)}

      Como resultado de la secuencia de reglas:

      (3x2cos3(x)+(6x2sin(x)cos(x)6xcos2(x))sin(x))e3x2cos2(x)sin(x)\left(- 3 x^{2} \cos^{3}{\left(x \right)} + \left(6 x^{2} \sin{\left(x \right)} \cos{\left(x \right)} - 6 x \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)}\right) e^{- 3 x^{2} \cos^{2}{\left(x \right)} \sin{\left(x \right)}}

    Como resultado de: x(3x2cos3(x)+(6x2sin(x)cos(x)6xcos2(x))sin(x))e3x2cos2(x)sin(x)+e3x2cos2(x)sin(x)x \left(- 3 x^{2} \cos^{3}{\left(x \right)} + \left(6 x^{2} \sin{\left(x \right)} \cos{\left(x \right)} - 6 x \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)}\right) e^{- 3 x^{2} \cos^{2}{\left(x \right)} \sin{\left(x \right)}} + e^{- 3 x^{2} \cos^{2}{\left(x \right)} \sin{\left(x \right)}}

  2. Simplificamos:

    (3x2(3xcos(2x)2x2+sin(2x))cos(x)+1)e3x2sin(x)cos2(x)\left(- 3 x^{2} \left(\frac{3 x \cos{\left(2 x \right)}}{2} - \frac{x}{2} + \sin{\left(2 x \right)}\right) \cos{\left(x \right)} + 1\right) e^{- 3 x^{2} \sin{\left(x \right)} \cos^{2}{\left(x \right)}}


Respuesta:

(3x2(3xcos(2x)2x2+sin(2x))cos(x)+1)e3x2sin(x)cos2(x)\left(- 3 x^{2} \left(\frac{3 x \cos{\left(2 x \right)}}{2} - \frac{x}{2} + \sin{\left(2 x \right)}\right) \cos{\left(x \right)} + 1\right) e^{- 3 x^{2} \sin{\left(x \right)} \cos^{2}{\left(x \right)}}

Gráfica
02468-8-6-4-2-1010-5e525e52
Primera derivada [src]
                                                                    2    2                  2    2          
  //         2         2              \             2    3   \  -3*x *cos (x)*sin(x)    -3*x *cos (x)*sin(x)
x*\\- 6*x*cos (x) + 6*x *cos(x)*sin(x)/*sin(x) - 3*x *cos (x)/*e                     + e                    
x(3x2cos3(x)+(6x2sin(x)cos(x)6xcos2(x))sin(x))e3x2cos2(x)sin(x)+e3x2cos2(x)sin(x)x \left(- 3 x^{2} \cos^{3}{\left(x \right)} + \left(6 x^{2} \sin{\left(x \right)} \cos{\left(x \right)} - 6 x \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)}\right) e^{- 3 x^{2} \cos^{2}{\left(x \right)} \sin{\left(x \right)}} + e^{- 3 x^{2} \cos^{2}{\left(x \right)} \sin{\left(x \right)}}
Segunda derivada [src]
    /                                                                                                                                                                                                                             2                              \      2    2          
    |         3        /     2                                   \            /   2       2    2       2    2                       \                 2                              2 /     2                                   \     2         2    2          |  -3*x *cos (x)*sin(x)
3*x*\- 2*x*cos (x) - 2*\x*cos (x) - 2*(-cos(x) + x*sin(x))*sin(x)/*cos(x) - 2*\cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)/*sin(x) + 2*x*cos (x)*(-cos(x) + x*sin(x)) + 3*x *\x*cos (x) - 2*(-cos(x) + x*sin(x))*sin(x)/ *cos (x) + 3*x *cos (x)*sin(x)/*e                    
3x(3x2(xcos2(x)2(xsin(x)cos(x))sin(x))2cos2(x)+3x2sin(x)cos2(x)+2x(xsin(x)cos(x))cos2(x)2xcos3(x)2(xcos2(x)2(xsin(x)cos(x))sin(x))cos(x)2(x2sin2(x)x2cos2(x)4xsin(x)cos(x)+cos2(x))sin(x))e3x2sin(x)cos2(x)3 x \left(3 x^{2} \left(x \cos^{2}{\left(x \right)} - 2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)}\right)^{2} \cos^{2}{\left(x \right)} + 3 x^{2} \sin{\left(x \right)} \cos^{2}{\left(x \right)} + 2 x \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \cos^{2}{\left(x \right)} - 2 x \cos^{3}{\left(x \right)} - 2 \left(x \cos^{2}{\left(x \right)} - 2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)}\right) \cos{\left(x \right)} - 2 \left(x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)}\right) e^{- 3 x^{2} \sin{\left(x \right)} \cos^{2}{\left(x \right)}}
Tercera derivada [src]
  /    /                                                                                                                                                                                                                                                                          3                                                                                                                                                                                                                                                      \                                                                                                                                                                       2                              \      2    2          
  |    |     3         2    3        /   2       2    2       2    2                       \            /         2                               2         2              \                  2                2    2                3 /     2                                   \     3                                                   /     2                                   \ /         3        /   2       2    2       2    2                       \                 2                              2    2          \       |          3        /   2       2    2       2    2                       \                 2                              2 /     2                                   \     2         2    2          |  -3*x *cos (x)*sin(x)
3*\- x*\2*cos (x) - 3*x *cos (x) + 4*\cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)/*cos(x) + 4*\- 3*x*cos (x) - 3*cos(x)*sin(x) + 3*x*sin (x) + 2*x *cos(x)*sin(x)/*sin(x) - 12*x*cos (x)*sin(x) + 6*x *sin (x)*cos(x) + 9*x *\x*cos (x) - 2*(-cos(x) + x*sin(x))*sin(x)/ *cos (x) + 2*x*(-cos(x) + x*sin(x))*cos(x)*sin(x) + 9*x*\x*cos (x) - 2*(-cos(x) + x*sin(x))*sin(x)/*\- 2*x*cos (x) - 2*\cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)/*sin(x) + 2*x*cos (x)*(-cos(x) + x*sin(x)) + 3*x *cos (x)*sin(x)/*cos(x)/ - 6*x*cos (x) - 6*\cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)/*sin(x) + 6*x*cos (x)*(-cos(x) + x*sin(x)) + 9*x *\x*cos (x) - 2*(-cos(x) + x*sin(x))*sin(x)/ *cos (x) + 9*x *cos (x)*sin(x)/*e                    
3(9x2(xcos2(x)2(xsin(x)cos(x))sin(x))2cos2(x)+9x2sin(x)cos2(x)+6x(xsin(x)cos(x))cos2(x)x(9x3(xcos2(x)2(xsin(x)cos(x))sin(x))3cos3(x)+6x2sin2(x)cos(x)3x2cos3(x)+2x(xsin(x)cos(x))sin(x)cos(x)+9x(xcos2(x)2(xsin(x)cos(x))sin(x))(3x2sin(x)cos2(x)+2x(xsin(x)cos(x))cos2(x)2xcos3(x)2(x2sin2(x)x2cos2(x)4xsin(x)cos(x)+cos2(x))sin(x))cos(x)12xsin(x)cos2(x)+4(x2sin2(x)x2cos2(x)4xsin(x)cos(x)+cos2(x))cos(x)+4(2x2sin(x)cos(x)+3xsin2(x)3xcos2(x)3sin(x)cos(x))sin(x)+2cos3(x))6xcos3(x)6(x2sin2(x)x2cos2(x)4xsin(x)cos(x)+cos2(x))sin(x))e3x2sin(x)cos2(x)3 \left(9 x^{2} \left(x \cos^{2}{\left(x \right)} - 2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)}\right)^{2} \cos^{2}{\left(x \right)} + 9 x^{2} \sin{\left(x \right)} \cos^{2}{\left(x \right)} + 6 x \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \cos^{2}{\left(x \right)} - x \left(9 x^{3} \left(x \cos^{2}{\left(x \right)} - 2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)}\right)^{3} \cos^{3}{\left(x \right)} + 6 x^{2} \sin^{2}{\left(x \right)} \cos{\left(x \right)} - 3 x^{2} \cos^{3}{\left(x \right)} + 2 x \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)} \cos{\left(x \right)} + 9 x \left(x \cos^{2}{\left(x \right)} - 2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)}\right) \left(3 x^{2} \sin{\left(x \right)} \cos^{2}{\left(x \right)} + 2 x \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \cos^{2}{\left(x \right)} - 2 x \cos^{3}{\left(x \right)} - 2 \left(x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)}\right) \cos{\left(x \right)} - 12 x \sin{\left(x \right)} \cos^{2}{\left(x \right)} + 4 \left(x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \cos{\left(x \right)} + 4 \left(2 x^{2} \sin{\left(x \right)} \cos{\left(x \right)} + 3 x \sin^{2}{\left(x \right)} - 3 x \cos^{2}{\left(x \right)} - 3 \sin{\left(x \right)} \cos{\left(x \right)}\right) \sin{\left(x \right)} + 2 \cos^{3}{\left(x \right)}\right) - 6 x \cos^{3}{\left(x \right)} - 6 \left(x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)}\right) e^{- 3 x^{2} \sin{\left(x \right)} \cos^{2}{\left(x \right)}}
Gráfico
Derivada de x*exp(-3x^2*cos^2*sinx)