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y=2/ln*arctg(3x)

Derivada de y=2/ln*arctg(3x)

Función f() - derivada -er orden en el punto
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Gráfico:

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Solución

Ha introducido [src]
  2             
------*atan(3*x)
log(x)          
$$\frac{2}{\log{\left(x \right)}} \operatorname{atan}{\left(3 x \right)}$$
(2/log(x))*atan(3*x)
Gráfica
Primera derivada [src]
        6           2*atan(3*x)
----------------- - -----------
/       2\                2    
\1 + 9*x /*log(x)    x*log (x) 
$$\frac{6}{\left(9 x^{2} + 1\right) \log{\left(x \right)}} - \frac{2 \operatorname{atan}{\left(3 x \right)}}{x \log{\left(x \right)}^{2}}$$
Segunda derivada [src]
  /                                      /      2   \          \
  |                                      |1 + ------|*atan(3*x)|
  |      54*x               6            \    log(x)/          |
2*|- ----------- - ------------------- + ----------------------|
  |            2     /       2\                 2              |
  |  /       2\    x*\1 + 9*x /*log(x)         x *log(x)       |
  \  \1 + 9*x /                                                /
----------------------------------------------------------------
                             log(x)                             
$$\frac{2 \left(- \frac{54 x}{\left(9 x^{2} + 1\right)^{2}} - \frac{6}{x \left(9 x^{2} + 1\right) \log{\left(x \right)}} + \frac{\left(1 + \frac{2}{\log{\left(x \right)}}\right) \operatorname{atan}{\left(3 x \right)}}{x^{2} \log{\left(x \right)}}\right)}{\log{\left(x \right)}}$$
Tercera derivada [src]
  /   /          2  \                                                                                 \
  |   |      36*x   |                          /      3         3   \                                 |
  |54*|-1 + --------|                        2*|1 + ------ + -------|*atan(3*x)        /      2   \   |
  |   |            2|                          |    log(x)      2   |                9*|1 + ------|   |
  |   \     1 + 9*x /          162             \             log (x)/                  \    log(x)/   |
2*|------------------ + ------------------ - ---------------------------------- + --------------------|
  |             2                 2                       3                        2 /       2\       |
  |   /       2\        /       2\                       x *log(x)                x *\1 + 9*x /*log(x)|
  \   \1 + 9*x /        \1 + 9*x / *log(x)                                                            /
-------------------------------------------------------------------------------------------------------
                                                 log(x)                                                
$$\frac{2 \left(\frac{54 \left(\frac{36 x^{2}}{9 x^{2} + 1} - 1\right)}{\left(9 x^{2} + 1\right)^{2}} + \frac{162}{\left(9 x^{2} + 1\right)^{2} \log{\left(x \right)}} + \frac{9 \left(1 + \frac{2}{\log{\left(x \right)}}\right)}{x^{2} \left(9 x^{2} + 1\right) \log{\left(x \right)}} - \frac{2 \left(1 + \frac{3}{\log{\left(x \right)}} + \frac{3}{\log{\left(x \right)}^{2}}\right) \operatorname{atan}{\left(3 x \right)}}{x^{3} \log{\left(x \right)}}\right)}{\log{\left(x \right)}}$$
Gráfico
Derivada de y=2/ln*arctg(3x)