Sr Examen

Derivada de y=(arctgx)^3x

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

Gráfico:

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Solución

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