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x^4/log(x)

Derivada de x^4/log(x)

Función f() - derivada -er orden en el punto
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Solución

Ha introducido [src]
   4  
  x   
------
log(x)
x4log(x)\frac{x^{4}}{\log{\left(x \right)}}
x^4/log(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)=x4f{\left(x \right)} = x^{4} y g(x)=log(x)g{\left(x \right)} = \log{\left(x \right)}.

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

    1. Según el principio, aplicamos: x4x^{4} tenemos 4x34 x^{3}

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

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

    Ahora aplicamos la regla de la derivada de una divesión:

    4x3log(x)x3log(x)2\frac{4 x^{3} \log{\left(x \right)} - x^{3}}{\log{\left(x \right)}^{2}}

  2. Simplificamos:

    x3(4log(x)1)log(x)2\frac{x^{3} \left(4 \log{\left(x \right)} - 1\right)}{\log{\left(x \right)}^{2}}


Respuesta:

x3(4log(x)1)log(x)2\frac{x^{3} \left(4 \log{\left(x \right)} - 1\right)}{\log{\left(x \right)}^{2}}

Gráfica
02468-8-6-4-2-1010-50005000
Primera derivada [src]
      3         3 
     x       4*x  
- ------- + ------
     2      log(x)
  log (x)         
4x3log(x)x3log(x)2\frac{4 x^{3}}{\log{\left(x \right)}} - \frac{x^{3}}{\log{\left(x \right)}^{2}}
Segunda derivada [src]
   /                    2   \
   |              1 + ------|
 2 |       8          log(x)|
x *|12 - ------ + ----------|
   \     log(x)     log(x)  /
-----------------------------
            log(x)           
x2(1+2log(x)log(x)+128log(x))log(x)\frac{x^{2} \left(\frac{1 + \frac{2}{\log{\left(x \right)}}}{\log{\left(x \right)}} + 12 - \frac{8}{\log{\left(x \right)}}\right)}{\log{\left(x \right)}}
Tercera derivada [src]
    /                    3         3                    \
    |              1 + ------ + -------     /      2   \|
    |                  log(x)      2      6*|1 + ------||
    |       18                  log (x)     \    log(x)/|
2*x*|12 - ------ - -------------------- + --------------|
    \     log(x)          log(x)              log(x)    /
---------------------------------------------------------
                          log(x)                         
2x(6(1+2log(x))log(x)1+3log(x)+3log(x)2log(x)+1218log(x))log(x)\frac{2 x \left(\frac{6 \left(1 + \frac{2}{\log{\left(x \right)}}\right)}{\log{\left(x \right)}} - \frac{1 + \frac{3}{\log{\left(x \right)}} + \frac{3}{\log{\left(x \right)}^{2}}}{\log{\left(x \right)}} + 12 - \frac{18}{\log{\left(x \right)}}\right)}{\log{\left(x \right)}}
Gráfico
Derivada de x^4/log(x)