Sr Examen

Derivada de y=(cosx)^log7x

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

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
   log(7*x)   
cos        (x)
$$\cos^{\log{\left(7 x \right)}}{\left(x \right)}$$
cos(x)^log(7*x)
Solución detallada
  1. No logro encontrar los pasos en la búsqueda de esta derivada.

    Perola derivada


Respuesta:

Gráfica
Primera derivada [src]
   log(7*x)    /log(cos(x))   log(7*x)*sin(x)\
cos        (x)*|----------- - ---------------|
               \     x             cos(x)    /
$$\left(- \frac{\log{\left(7 x \right)} \sin{\left(x \right)}}{\cos{\left(x \right)}} + \frac{\log{\left(\cos{\left(x \right)} \right)}}{x}\right) \cos^{\log{\left(7 x \right)}}{\left(x \right)}$$
Segunda derivada [src]
               /                                 2                               2                       \
   log(7*x)    |/  log(cos(x))   log(7*x)*sin(x)\               log(cos(x))   sin (x)*log(7*x)   2*sin(x)|
cos        (x)*||- ----------- + ---------------|  - log(7*x) - ----------- - ---------------- - --------|
               |\       x             cos(x)    /                     2              2           x*cos(x)|
               \                                                     x            cos (x)                /
$$\left(\left(\frac{\log{\left(7 x \right)} \sin{\left(x \right)}}{\cos{\left(x \right)}} - \frac{\log{\left(\cos{\left(x \right)} \right)}}{x}\right)^{2} - \frac{\log{\left(7 x \right)} \sin^{2}{\left(x \right)}}{\cos^{2}{\left(x \right)}} - \log{\left(7 x \right)} - \frac{2 \sin{\left(x \right)}}{x \cos{\left(x \right)}} - \frac{\log{\left(\cos{\left(x \right)} \right)}}{x^{2}}\right) \cos^{\log{\left(7 x \right)}}{\left(x \right)}$$
Tercera derivada [src]
               /                                   3                                                           /                 2                                  \        2                               3                        \
   log(7*x)    |  /  log(cos(x))   log(7*x)*sin(x)\    3   2*log(cos(x))     /  log(cos(x))   log(7*x)*sin(x)\ |log(cos(x))   sin (x)*log(7*x)   2*sin(x)           |   3*sin (x)   2*log(7*x)*sin(x)   2*sin (x)*log(7*x)    3*sin(x)|
cos        (x)*|- |- ----------- + ---------------|  - - + ------------- + 3*|- ----------- + ---------------|*|----------- + ---------------- + -------- + log(7*x)| - --------- - ----------------- - ------------------ + ---------|
               |  \       x             cos(x)    /    x          3          \       x             cos(x)    / |      2              2           x*cos(x)           |        2            cos(x)                3             2       |
               \                                                 x                                             \     x            cos (x)                           /   x*cos (x)                            cos (x)         x *cos(x)/
$$\left(- \left(\frac{\log{\left(7 x \right)} \sin{\left(x \right)}}{\cos{\left(x \right)}} - \frac{\log{\left(\cos{\left(x \right)} \right)}}{x}\right)^{3} + 3 \left(\frac{\log{\left(7 x \right)} \sin{\left(x \right)}}{\cos{\left(x \right)}} - \frac{\log{\left(\cos{\left(x \right)} \right)}}{x}\right) \left(\frac{\log{\left(7 x \right)} \sin^{2}{\left(x \right)}}{\cos^{2}{\left(x \right)}} + \log{\left(7 x \right)} + \frac{2 \sin{\left(x \right)}}{x \cos{\left(x \right)}} + \frac{\log{\left(\cos{\left(x \right)} \right)}}{x^{2}}\right) - \frac{2 \log{\left(7 x \right)} \sin^{3}{\left(x \right)}}{\cos^{3}{\left(x \right)}} - \frac{2 \log{\left(7 x \right)} \sin{\left(x \right)}}{\cos{\left(x \right)}} - \frac{3 \sin^{2}{\left(x \right)}}{x \cos^{2}{\left(x \right)}} - \frac{3}{x} + \frac{3 \sin{\left(x \right)}}{x^{2} \cos{\left(x \right)}} + \frac{2 \log{\left(\cos{\left(x \right)} \right)}}{x^{3}}\right) \cos^{\log{\left(7 x \right)}}{\left(x \right)}$$
Gráfico
Derivada de y=(cosx)^log7x