Sr Examen

Derivada de tg(x)*arcctg(x)

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

Gráfico:

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Solución

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