Sr Examen

Derivada de y=arctg(lnx)+ln(arctgx)

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

Gráfico:

interior superior

Definida a trozos:

Solución

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