Sr Examen

Derivada de y=ln(tanhx)

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

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Solución

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