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y=(ln(x)*sin(x)+x^2)/(cos*(sin(x)))

Derivada de y=(ln(x)*sin(x)+x^2)/(cos*(sin(x)))

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

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Solución

Ha introducido [src]
                 2
log(x)*sin(x) + x 
------------------
   cos(sin(x))    
x2+log(x)sin(x)cos(sin(x))\frac{x^{2} + \log{\left(x \right)} \sin{\left(x \right)}}{\cos{\left(\sin{\left(x \right)} \right)}}
(log(x)*sin(x) + x^2)/cos(sin(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)=x2+log(x)sin(x)f{\left(x \right)} = x^{2} + \log{\left(x \right)} \sin{\left(x \right)} y g(x)=cos(sin(x))g{\left(x \right)} = \cos{\left(\sin{\left(x \right)} \right)}.

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

    1. diferenciamos x2+log(x)sin(x)x^{2} + \log{\left(x \right)} \sin{\left(x \right)} miembro por miembro:

      1. Según el principio, aplicamos: x2x^{2} tenemos 2x2 x

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

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

        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: log(x)cos(x)+sin(x)x\log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}

      Como resultado de: 2x+log(x)cos(x)+sin(x)x2 x + \log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}

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

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

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

      dducos(u)=sin(u)\frac{d}{d u} \cos{\left(u \right)} = - \sin{\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:

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

    Ahora aplicamos la regla de la derivada de una divesión:

    (x2+log(x)sin(x))sin(sin(x))cos(x)+(2x+log(x)cos(x)+sin(x)x)cos(sin(x))cos2(sin(x))\frac{\left(x^{2} + \log{\left(x \right)} \sin{\left(x \right)}\right) \sin{\left(\sin{\left(x \right)} \right)} \cos{\left(x \right)} + \left(2 x + \log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}\right) \cos{\left(\sin{\left(x \right)} \right)}}{\cos^{2}{\left(\sin{\left(x \right)} \right)}}

  2. Simplificamos:

    x(x2+log(x)sin(x))sin(sin(x))cos(x)+(x(2x+log(x)cos(x))+sin(x))cos(sin(x))xcos2(sin(x))\frac{x \left(x^{2} + \log{\left(x \right)} \sin{\left(x \right)}\right) \sin{\left(\sin{\left(x \right)} \right)} \cos{\left(x \right)} + \left(x \left(2 x + \log{\left(x \right)} \cos{\left(x \right)}\right) + \sin{\left(x \right)}\right) \cos{\left(\sin{\left(x \right)} \right)}}{x \cos^{2}{\left(\sin{\left(x \right)} \right)}}


Respuesta:

x(x2+log(x)sin(x))sin(sin(x))cos(x)+(x(2x+log(x)cos(x))+sin(x))cos(sin(x))xcos2(sin(x))\frac{x \left(x^{2} + \log{\left(x \right)} \sin{\left(x \right)}\right) \sin{\left(\sin{\left(x \right)} \right)} \cos{\left(x \right)} + \left(x \left(2 x + \log{\left(x \right)} \cos{\left(x \right)}\right) + \sin{\left(x \right)}\right) \cos{\left(\sin{\left(x \right)} \right)}}{x \cos^{2}{\left(\sin{\left(x \right)} \right)}}

Gráfica
02468-8-6-4-2-1010-200200
Primera derivada [src]
      sin(x)                                                          
2*x + ------ + cos(x)*log(x)   /                 2\                   
        x                      \log(x)*sin(x) + x /*cos(x)*sin(sin(x))
---------------------------- + ---------------------------------------
        cos(sin(x))                             2                     
                                             cos (sin(x))             
(x2+log(x)sin(x))sin(sin(x))cos(x)cos2(sin(x))+2x+log(x)cos(x)+sin(x)xcos(sin(x))\frac{\left(x^{2} + \log{\left(x \right)} \sin{\left(x \right)}\right) \sin{\left(\sin{\left(x \right)} \right)} \cos{\left(x \right)}}{\cos^{2}{\left(\sin{\left(x \right)} \right)}} + \frac{2 x + \log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}}{\cos{\left(\sin{\left(x \right)} \right)}}
Segunda derivada [src]
                                                                                                                         /      sin(x)                \                   
                         /                                    2       2        \                                       2*|2*x + ------ + cos(x)*log(x)|*cos(x)*sin(sin(x))
    / 2                \ |   2      sin(x)*sin(sin(x))   2*cos (x)*sin (sin(x))|   sin(x)                   2*cos(x)     \        x                   /                   
2 + \x  + log(x)*sin(x)/*|cos (x) - ------------------ + ----------------------| - ------ - log(x)*sin(x) + -------- + ---------------------------------------------------
                         |             cos(sin(x))               2             |      2                        x                           cos(sin(x))                    
                         \                                    cos (sin(x))     /     x                                                                                    
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                               cos(sin(x))                                                                                
(x2+log(x)sin(x))(sin(x)sin(sin(x))cos(sin(x))+2sin2(sin(x))cos2(x)cos2(sin(x))+cos2(x))+2(2x+log(x)cos(x)+sin(x)x)sin(sin(x))cos(x)cos(sin(x))log(x)sin(x)+2+2cos(x)xsin(x)x2cos(sin(x))\frac{\left(x^{2} + \log{\left(x \right)} \sin{\left(x \right)}\right) \left(- \frac{\sin{\left(x \right)} \sin{\left(\sin{\left(x \right)} \right)}}{\cos{\left(\sin{\left(x \right)} \right)}} + \frac{2 \sin^{2}{\left(\sin{\left(x \right)} \right)} \cos^{2}{\left(x \right)}}{\cos^{2}{\left(\sin{\left(x \right)} \right)}} + \cos^{2}{\left(x \right)}\right) + \frac{2 \left(2 x + \log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}\right) \sin{\left(\sin{\left(x \right)} \right)} \cos{\left(x \right)}}{\cos{\left(\sin{\left(x \right)} \right)}} - \log{\left(x \right)} \sin{\left(x \right)} + 2 + \frac{2 \cos{\left(x \right)}}{x} - \frac{\sin{\left(x \right)}}{x^{2}}}{\cos{\left(\sin{\left(x \right)} \right)}}
Tercera derivada [src]
                                                                                                                                                                                                                                                                               /     sin(x)                   2*cos(x)\                   
                                                                                                                                                                                                                                                                             3*|-2 + ------ + log(x)*sin(x) - --------|*cos(x)*sin(sin(x))
                                                    /                                    2       2        \                                                       /                              2       3                2                       2               \            |        2                        x    |                   
                 3*sin(x)   3*cos(x)   2*sin(x)     |   2      sin(x)*sin(sin(x))   2*cos (x)*sin (sin(x))| /      sin(x)                \   / 2                \ |           sin(sin(x))   6*cos (x)*sin (sin(x))   5*cos (x)*sin(sin(x))   6*sin (sin(x))*sin(x)|            \       x                              /                   
-cos(x)*log(x) - -------- - -------- + -------- + 3*|cos (x) - ------------------ + ----------------------|*|2*x + ------ + cos(x)*log(x)| - \x  + log(x)*sin(x)/*|3*sin(x) + ----------- - ---------------------- - --------------------- + ---------------------|*cos(x) - -------------------------------------------------------------
                    x           2          3        |             cos(sin(x))               2             | \        x                   /                        |           cos(sin(x))           3                     cos(sin(x))                2            |                                   cos(sin(x))                         
                               x          x         \                                    cos (sin(x))     /                                                       \                              cos (sin(x))                                     cos (sin(x))    /                                                                       
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                                                               cos(sin(x))                                                                                                                                                                
(x2+log(x)sin(x))(6sin(x)sin2(sin(x))cos2(sin(x))+3sin(x)6sin3(sin(x))cos2(x)cos3(sin(x))5sin(sin(x))cos2(x)cos(sin(x))+sin(sin(x))cos(sin(x)))cos(x)+3(2x+log(x)cos(x)+sin(x)x)(sin(x)sin(sin(x))cos(sin(x))+2sin2(sin(x))cos2(x)cos2(sin(x))+cos2(x))3(log(x)sin(x)22cos(x)x+sin(x)x2)sin(sin(x))cos(x)cos(sin(x))log(x)cos(x)3sin(x)x3cos(x)x2+2sin(x)x3cos(sin(x))\frac{- \left(x^{2} + \log{\left(x \right)} \sin{\left(x \right)}\right) \left(\frac{6 \sin{\left(x \right)} \sin^{2}{\left(\sin{\left(x \right)} \right)}}{\cos^{2}{\left(\sin{\left(x \right)} \right)}} + 3 \sin{\left(x \right)} - \frac{6 \sin^{3}{\left(\sin{\left(x \right)} \right)} \cos^{2}{\left(x \right)}}{\cos^{3}{\left(\sin{\left(x \right)} \right)}} - \frac{5 \sin{\left(\sin{\left(x \right)} \right)} \cos^{2}{\left(x \right)}}{\cos{\left(\sin{\left(x \right)} \right)}} + \frac{\sin{\left(\sin{\left(x \right)} \right)}}{\cos{\left(\sin{\left(x \right)} \right)}}\right) \cos{\left(x \right)} + 3 \left(2 x + \log{\left(x \right)} \cos{\left(x \right)} + \frac{\sin{\left(x \right)}}{x}\right) \left(- \frac{\sin{\left(x \right)} \sin{\left(\sin{\left(x \right)} \right)}}{\cos{\left(\sin{\left(x \right)} \right)}} + \frac{2 \sin^{2}{\left(\sin{\left(x \right)} \right)} \cos^{2}{\left(x \right)}}{\cos^{2}{\left(\sin{\left(x \right)} \right)}} + \cos^{2}{\left(x \right)}\right) - \frac{3 \left(\log{\left(x \right)} \sin{\left(x \right)} - 2 - \frac{2 \cos{\left(x \right)}}{x} + \frac{\sin{\left(x \right)}}{x^{2}}\right) \sin{\left(\sin{\left(x \right)} \right)} \cos{\left(x \right)}}{\cos{\left(\sin{\left(x \right)} \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}}}{\cos{\left(\sin{\left(x \right)} \right)}}
Gráfico
Derivada de y=(ln(x)*sin(x)+x^2)/(cos*(sin(x)))