Sr Examen

Derivada de y=arctgtg^2x

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

Gráfico:

interior superior

Definida a trozos:

Solución

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