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x^(-tg(x))x*exp(-x)

Derivada de x^(-tg(x))x*exp(-x)

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

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Definida a trozos:

Solución

Ha introducido [src]
 -tan(x)    -x
x       *x*e  
xxtan(x)exx x^{- \tan{\left(x \right)}} e^{- x}
(x^(-tan(x))*x)*exp(-x)
Solución detallada
  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)=xf{\left(x \right)} = x y g(x)=xtan(x)exg{\left(x \right)} = x^{\tan{\left(x \right)}} e^{x}.

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

    1. Según el principio, aplicamos: xx tenemos 11

    Para calcular ddxg(x)\frac{d}{d x} g{\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)=xtan(x)f{\left(x \right)} = x^{\tan{\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(tan(x))+1)tantan(x)(x)\left(\log{\left(\tan{\left(x \right)} \right)} + 1\right) \tan^{\tan{\left(x \right)}}{\left(x \right)}

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

      1. Derivado exe^{x} es.

      Como resultado de: xtan(x)ex+(log(tan(x))+1)extantan(x)(x)x^{\tan{\left(x \right)}} e^{x} + \left(\log{\left(\tan{\left(x \right)} \right)} + 1\right) e^{x} \tan^{\tan{\left(x \right)}}{\left(x \right)}

    Ahora aplicamos la regla de la derivada de una divesión:

    x2tan(x)(x(xtan(x)ex+(log(tan(x))+1)extantan(x)(x))+xtan(x)ex)e2xx^{- 2 \tan{\left(x \right)}} \left(- x \left(x^{\tan{\left(x \right)}} e^{x} + \left(\log{\left(\tan{\left(x \right)} \right)} + 1\right) e^{x} \tan^{\tan{\left(x \right)}}{\left(x \right)}\right) + x^{\tan{\left(x \right)}} e^{x}\right) e^{- 2 x}

  2. Simplificamos:

    x2tan(x)(x(xtan(x)+(log(tan(x))+1)tantan(x)(x))+xtan(x))exx^{- 2 \tan{\left(x \right)}} \left(- x \left(x^{\tan{\left(x \right)}} + \left(\log{\left(\tan{\left(x \right)} \right)} + 1\right) \tan^{\tan{\left(x \right)}}{\left(x \right)}\right) + x^{\tan{\left(x \right)}}\right) e^{- x}


Respuesta:

x2tan(x)(x(xtan(x)+(log(tan(x))+1)tantan(x)(x))+xtan(x))exx^{- 2 \tan{\left(x \right)}} \left(- x \left(x^{\tan{\left(x \right)}} + \left(\log{\left(\tan{\left(x \right)} \right)} + 1\right) \tan^{\tan{\left(x \right)}}{\left(x \right)}\right) + x^{\tan{\left(x \right)}}\right) e^{- x}

Gráfica
02468-8-6-4-2-1010-1e211e21
Primera derivada [src]
/ -tan(x)      -tan(x) //        2   \          tan(x)\\  -x      -tan(x)  -x
|x        + x*x       *|\-1 - tan (x)/*log(x) - ------||*e   - x*x       *e  
\                      \                          x   //                     
xxtan(x)ex+(xxtan(x)((tan2(x)1)log(x)tan(x)x)+xtan(x))ex- x x^{- \tan{\left(x \right)}} e^{- x} + \left(x x^{- \tan{\left(x \right)}} \left(\left(- \tan^{2}{\left(x \right)} - 1\right) \log{\left(x \right)} - \frac{\tan{\left(x \right)}}{x}\right) + x^{- \tan{\left(x \right)}}\right) e^{- x}
Segunda derivada [src]
         /           /                               2              /       2   \                                \                                                                          \    
 -tan(x) |           |/tan(x)   /       2   \       \    tan(x)   2*\1 + tan (x)/     /       2   \              |   2*tan(x)     /       2   \              /tan(x)   /       2   \       \|  -x
x       *|-2 + x + x*||------ + \1 + tan (x)/*log(x)|  + ------ - --------------- - 2*\1 + tan (x)/*log(x)*tan(x)| - -------- - 2*\1 + tan (x)/*log(x) + 2*x*|------ + \1 + tan (x)/*log(x)||*e  
         |           |\  x                          /       2            x                                       |      x                                    \  x                          /|    
         \           \                                     x                                                     /                                                                          /    
xtan(x)(2x((tan2(x)+1)log(x)+tan(x)x)+x(((tan2(x)+1)log(x)+tan(x)x)22(tan2(x)+1)log(x)tan(x)2(tan2(x)+1)x+tan(x)x2)+x2(tan2(x)+1)log(x)22tan(x)x)exx^{- \tan{\left(x \right)}} \left(2 x \left(\left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} + \frac{\tan{\left(x \right)}}{x}\right) + x \left(\left(\left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} + \frac{\tan{\left(x \right)}}{x}\right)^{2} - 2 \left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} \tan{\left(x \right)} - \frac{2 \left(\tan^{2}{\left(x \right)} + 1\right)}{x} + \frac{\tan{\left(x \right)}}{x^{2}}\right) + x - 2 \left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} - 2 - \frac{2 \tan{\left(x \right)}}{x}\right) e^{- x}
Tercera derivada [src]
         /                                         2     /                               3     /       2   \                                     /             /       2   \                                \                             2                                             /       2   \       \     /       2   \                                             /                               2              /       2   \                                \                                                                               \    
 -tan(x) |          /tan(x)   /       2   \       \      |/tan(x)   /       2   \       \    3*\1 + tan (x)/     /tan(x)   /       2   \       \ |  tan(x)   2*\1 + tan (x)/     /       2   \              |   2*tan(x)     /       2   \                2    /       2   \          6*\1 + tan (x)/*tan(x)|   6*\1 + tan (x)/       /tan(x)   /       2   \       \       |/tan(x)   /       2   \       \    tan(x)   2*\1 + tan (x)/     /       2   \              |   3*tan(x)   6*tan(x)     /       2   \            /       2   \              |  -x
x       *|3 - x + 3*|------ + \1 + tan (x)/*log(x)|  - x*||------ + \1 + tan (x)/*log(x)|  - --------------- - 3*|------ + \1 + tan (x)/*log(x)|*|- ------ + --------------- + 2*\1 + tan (x)/*log(x)*tan(x)| + -------- + 2*\1 + tan (x)/ *log(x) + 4*tan (x)*\1 + tan (x)/*log(x) + ----------------------| - --------------- - 3*x*|------ + \1 + tan (x)/*log(x)| - 3*x*||------ + \1 + tan (x)/*log(x)|  + ------ - --------------- - 2*\1 + tan (x)/*log(x)*tan(x)| + -------- + -------- + 6*\1 + tan (x)/*log(x) - 6*\1 + tan (x)/*log(x)*tan(x)|*e  
         |          \  x                          /      |\  x                          /            2           \  x                          / |     2            x                                       |       3                                                                           x           |          x              \  x                          /       |\  x                          /       2            x                                       |       2         x                                                             |    
         \                                               \                                          x                                            \    x                                                     /      x                                                                                        /                                                               \                                     x                                                     /      x                                                                        /    
xtan(x)(3x((tan2(x)+1)log(x)+tan(x)x)3x(((tan2(x)+1)log(x)+tan(x)x)22(tan2(x)+1)log(x)tan(x)2(tan2(x)+1)x+tan(x)x2)x(((tan2(x)+1)log(x)+tan(x)x)33((tan2(x)+1)log(x)+tan(x)x)(2(tan2(x)+1)log(x)tan(x)+2(tan2(x)+1)xtan(x)x2)+2(tan2(x)+1)2log(x)+4(tan2(x)+1)log(x)tan2(x)+6(tan2(x)+1)tan(x)x3(tan2(x)+1)x2+2tan(x)x3)x+3((tan2(x)+1)log(x)+tan(x)x)26(tan2(x)+1)log(x)tan(x)+6(tan2(x)+1)log(x)+36(tan2(x)+1)x+6tan(x)x+3tan(x)x2)exx^{- \tan{\left(x \right)}} \left(- 3 x \left(\left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} + \frac{\tan{\left(x \right)}}{x}\right) - 3 x \left(\left(\left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} + \frac{\tan{\left(x \right)}}{x}\right)^{2} - 2 \left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} \tan{\left(x \right)} - \frac{2 \left(\tan^{2}{\left(x \right)} + 1\right)}{x} + \frac{\tan{\left(x \right)}}{x^{2}}\right) - x \left(\left(\left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} + \frac{\tan{\left(x \right)}}{x}\right)^{3} - 3 \left(\left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} + \frac{\tan{\left(x \right)}}{x}\right) \left(2 \left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} \tan{\left(x \right)} + \frac{2 \left(\tan^{2}{\left(x \right)} + 1\right)}{x} - \frac{\tan{\left(x \right)}}{x^{2}}\right) + 2 \left(\tan^{2}{\left(x \right)} + 1\right)^{2} \log{\left(x \right)} + 4 \left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} \tan^{2}{\left(x \right)} + \frac{6 \left(\tan^{2}{\left(x \right)} + 1\right) \tan{\left(x \right)}}{x} - \frac{3 \left(\tan^{2}{\left(x \right)} + 1\right)}{x^{2}} + \frac{2 \tan{\left(x \right)}}{x^{3}}\right) - x + 3 \left(\left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} + \frac{\tan{\left(x \right)}}{x}\right)^{2} - 6 \left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} \tan{\left(x \right)} + 6 \left(\tan^{2}{\left(x \right)} + 1\right) \log{\left(x \right)} + 3 - \frac{6 \left(\tan^{2}{\left(x \right)} + 1\right)}{x} + \frac{6 \tan{\left(x \right)}}{x} + \frac{3 \tan{\left(x \right)}}{x^{2}}\right) e^{- x}
Gráfico
Derivada de x^(-tg(x))x*exp(-x)