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Derivada de y=(cos9x)^(x^3)

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

Ha introducido [src]
          / 3\
          \x /
(cos(9*x))    
$$\cos^{x^{3}}{\left(9 x \right)}$$
cos(9*x)^(x^3)
Solución detallada
  1. No logro encontrar los pasos en la búsqueda de esta derivada.

    Perola derivada


Respuesta:

Primera derivada [src]
          / 3\ /                        3         \
          \x / |   2                 9*x *sin(9*x)|
(cos(9*x))    *|3*x *log(cos(9*x)) - -------------|
               \                        cos(9*x)  /
$$\left(- \frac{9 x^{3} \sin{\left(9 x \right)}}{\cos{\left(9 x \right)}} + 3 x^{2} \log{\left(\cos{\left(9 x \right)} \right)}\right) \cos^{x^{3}}{\left(9 x \right)}$$
Segunda derivada [src]
              / 3\ /                                                                2       2    2                     \
              \x / |      2                        3 /                 3*x*sin(9*x)\    27*x *sin (9*x)   18*x*sin(9*x)|
3*x*(cos(9*x))    *|- 27*x  + 2*log(cos(9*x)) + 3*x *|-log(cos(9*x)) + ------------|  - --------------- - -------------|
                   |                                 \                   cos(9*x)  /          2              cos(9*x)  |
                   \                                                                       cos (9*x)                   /
$$3 x \left(3 x^{3} \left(\frac{3 x \sin{\left(9 x \right)}}{\cos{\left(9 x \right)}} - \log{\left(\cos{\left(9 x \right)} \right)}\right)^{2} - \frac{27 x^{2} \sin^{2}{\left(9 x \right)}}{\cos^{2}{\left(9 x \right)}} - 27 x^{2} - \frac{18 x \sin{\left(9 x \right)}}{\cos{\left(9 x \right)}} + 2 \log{\left(\cos{\left(9 x \right)} \right)}\right) \cos^{x^{3}}{\left(9 x \right)}$$
Tercera derivada [src]
            / 3\ /                                                                 3        3                 3    3             2    2                                                             /                                               2    2     \\
            \x / |       2                        6 /                 3*x*sin(9*x)\    486*x *sin(9*x)   486*x *sin (9*x)   243*x *sin (9*x)   54*x*sin(9*x)      3 /                 3*x*sin(9*x)\ |                       2   18*x*sin(9*x)   27*x *sin (9*x)||
3*(cos(9*x))    *|- 243*x  + 2*log(cos(9*x)) - 9*x *|-log(cos(9*x)) + ------------|  - --------------- - ---------------- - ---------------- - ------------- + 9*x *|-log(cos(9*x)) + ------------|*|-2*log(cos(9*x)) + 27*x  + ------------- + ---------------||
                 |                                  \                   cos(9*x)  /        cos(9*x)            3                  2               cos(9*x)          \                   cos(9*x)  / |                              cos(9*x)           2        ||
                 \                                                                                          cos (9*x)          cos (9*x)                                                            \                                              cos (9*x)   //
$$3 \left(- 9 x^{6} \left(\frac{3 x \sin{\left(9 x \right)}}{\cos{\left(9 x \right)}} - \log{\left(\cos{\left(9 x \right)} \right)}\right)^{3} + 9 x^{3} \left(\frac{3 x \sin{\left(9 x \right)}}{\cos{\left(9 x \right)}} - \log{\left(\cos{\left(9 x \right)} \right)}\right) \left(\frac{27 x^{2} \sin^{2}{\left(9 x \right)}}{\cos^{2}{\left(9 x \right)}} + 27 x^{2} + \frac{18 x \sin{\left(9 x \right)}}{\cos{\left(9 x \right)}} - 2 \log{\left(\cos{\left(9 x \right)} \right)}\right) - \frac{486 x^{3} \sin^{3}{\left(9 x \right)}}{\cos^{3}{\left(9 x \right)}} - \frac{486 x^{3} \sin{\left(9 x \right)}}{\cos{\left(9 x \right)}} - \frac{243 x^{2} \sin^{2}{\left(9 x \right)}}{\cos^{2}{\left(9 x \right)}} - 243 x^{2} - \frac{54 x \sin{\left(9 x \right)}}{\cos{\left(9 x \right)}} + 2 \log{\left(\cos{\left(9 x \right)} \right)}\right) \cos^{x^{3}}{\left(9 x \right)}$$