Sr Examen

Derivada de y=lnarctg2x

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

Gráfico:

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Solución

Ha introducido [src]
log(x)*atan(2*x)
$$\log{\left(x \right)} \operatorname{atan}{\left(2 x \right)}$$
log(x)*atan(2*x)
Gráfica
Primera derivada [src]
atan(2*x)   2*log(x)
--------- + --------
    x              2
            1 + 4*x 
$$\frac{2 \log{\left(x \right)}}{4 x^{2} + 1} + \frac{\operatorname{atan}{\left(2 x \right)}}{x}$$
Segunda derivada [src]
  atan(2*x)        4         16*x*log(x)
- --------- + ------------ - -----------
       2        /       2\             2
      x       x*\1 + 4*x /   /       2\ 
                             \1 + 4*x / 
$$- \frac{16 x \log{\left(x \right)}}{\left(4 x^{2} + 1\right)^{2}} + \frac{4}{x \left(4 x^{2} + 1\right)} - \frac{\operatorname{atan}{\left(2 x \right)}}{x^{2}}$$
Tercera derivada [src]
  /                                              /          2  \       \
  |                                              |      16*x   |       |
  |                                            8*|-1 + --------|*log(x)|
  |                                              |            2|       |
  |       24       atan(2*x)         3           \     1 + 4*x /       |
2*|- ----------- + --------- - ------------- + ------------------------|
  |            2        3       2 /       2\                   2       |
  |  /       2\        x       x *\1 + 4*x /         /       2\        |
  \  \1 + 4*x /                                      \1 + 4*x /        /
$$2 \left(\frac{8 \left(\frac{16 x^{2}}{4 x^{2} + 1} - 1\right) \log{\left(x \right)}}{\left(4 x^{2} + 1\right)^{2}} - \frac{24}{\left(4 x^{2} + 1\right)^{2}} - \frac{3}{x^{2} \left(4 x^{2} + 1\right)} + \frac{\operatorname{atan}{\left(2 x \right)}}{x^{3}}\right)$$
Gráfico
Derivada de y=lnarctg2x