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y=1/4*ln*(x-1)/(x+1)-1/2arctgx

Derivada de y=1/4*ln*(x-1)/(x+1)-1/2arctgx

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

Gráfico:

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Solución

Ha introducido [src]
/log(x - 1)\          
|----------|          
\    4     /   acot(x)
------------ - -------
   x + 1          2   
$$- \frac{\operatorname{acot}{\left(x \right)}}{2} + \frac{\frac{1}{4} \log{\left(x - 1 \right)}}{x + 1}$$
(log(x - 1)/4)/(x + 1) - acot(x)/2
Gráfica
Primera derivada [src]
    1        log(x - 1)           1        
---------- - ---------- + -----------------
  /     2\            2   4*(x + 1)*(x - 1)
2*\1 + x /   4*(x + 1)                     
$$\frac{1}{2 \left(x^{2} + 1\right)} - \frac{\log{\left(x - 1 \right)}}{4 \left(x + 1\right)^{2}} + \frac{1}{4 \left(x - 1\right) \left(x + 1\right)}$$
Segunda derivada [src]
log(-1 + x)       x                1                     1         
----------- - --------- - ------------------- - -------------------
          3           2            2                              2
 2*(1 + x)    /     2\    2*(1 + x) *(-1 + x)   4*(1 + x)*(-1 + x) 
              \1 + x /                                             
$$- \frac{x}{\left(x^{2} + 1\right)^{2}} + \frac{\log{\left(x - 1 \right)}}{2 \left(x + 1\right)^{3}} - \frac{1}{2 \left(x - 1\right) \left(x + 1\right)^{2}} - \frac{1}{4 \left(x - 1\right)^{2} \left(x + 1\right)}$$
Tercera derivada [src]
                                          2                                                               
      1                1               4*x      3*log(-1 + x)            3                     3          
- --------- + ------------------- + --------- - ------------- + ------------------- + --------------------
          2                     3           3              4             3                     2         2
  /     2\    2*(1 + x)*(-1 + x)    /     2\      2*(1 + x)     2*(1 + x) *(-1 + x)   4*(1 + x) *(-1 + x) 
  \1 + x /                          \1 + x /                                                              
$$\frac{4 x^{2}}{\left(x^{2} + 1\right)^{3}} - \frac{1}{\left(x^{2} + 1\right)^{2}} - \frac{3 \log{\left(x - 1 \right)}}{2 \left(x + 1\right)^{4}} + \frac{3}{2 \left(x - 1\right) \left(x + 1\right)^{3}} + \frac{3}{4 \left(x - 1\right)^{2} \left(x + 1\right)^{2}} + \frac{1}{2 \left(x - 1\right)^{3} \left(x + 1\right)}$$
Gráfico
Derivada de y=1/4*ln*(x-1)/(x+1)-1/2arctgx