Sr Examen

Derivada de y=1/arctanx

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

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
   1   
-------
atan(x)
$$\frac{1}{\operatorname{atan}{\left(x \right)}}$$
1/atan(x)
Gráfica
Primera derivada [src]
       -1        
-----------------
/     2\     2   
\1 + x /*atan (x)
$$- \frac{1}{\left(x^{2} + 1\right) \operatorname{atan}^{2}{\left(x \right)}}$$
Segunda derivada [src]
   /       1   \  
 2*|x + -------|  
   \    atan(x)/  
------------------
        2         
/     2\      2   
\1 + x / *atan (x)
$$\frac{2 \left(x + \frac{1}{\operatorname{atan}{\left(x \right)}}\right)}{\left(x^{2} + 1\right)^{2} \operatorname{atan}^{2}{\left(x \right)}}$$
Tercera derivada [src]
  /        2                                        \
  |     4*x             3                 6*x       |
2*|1 - ------ - ----------------- - ----------------|
  |         2   /     2\     2      /     2\        |
  \    1 + x    \1 + x /*atan (x)   \1 + x /*atan(x)/
-----------------------------------------------------
                          2                          
                  /     2\      2                    
                  \1 + x / *atan (x)                 
$$\frac{2 \left(- \frac{4 x^{2}}{x^{2} + 1} - \frac{6 x}{\left(x^{2} + 1\right) \operatorname{atan}{\left(x \right)}} + 1 - \frac{3}{\left(x^{2} + 1\right) \operatorname{atan}^{2}{\left(x \right)}}\right)}{\left(x^{2} + 1\right)^{2} \operatorname{atan}^{2}{\left(x \right)}}$$
Gráfico
Derivada de y=1/arctanx