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y=(cos3x)^(2x+1)

Derivada de y=(cos3x)^(2x+1)

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

Ha introducido [src]
   2*x + 1     
cos       (3*x)
$$\cos^{2 x + 1}{\left(3 x \right)}$$
cos(3*x)^(2*x + 1)
Solución detallada
  1. No logro encontrar los pasos en la búsqueda de esta derivada.

    Perola derivada

  2. Simplificamos:


Respuesta:

Gráfica
Primera derivada [src]
   2*x + 1      /                  3*(2*x + 1)*sin(3*x)\
cos       (3*x)*|2*log(cos(3*x)) - --------------------|
                \                        cos(3*x)      /
$$\left(- \frac{3 \left(2 x + 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} + 2 \log{\left(\cos{\left(3 x \right)} \right)}\right) \cos^{2 x + 1}{\left(3 x \right)}$$
Segunda derivada [src]
                /                                              2                             2               \
   1 + 2*x      |     /                   3*(1 + 2*x)*sin(3*x)\           12*sin(3*x)   9*sin (3*x)*(1 + 2*x)|
cos       (3*x)*|-9 + |-2*log(cos(3*x)) + --------------------|  - 18*x - ----------- - ---------------------|
                |     \                         cos(3*x)      /             cos(3*x)             2           |
                \                                                                             cos (3*x)      /
$$\left(- 18 x - \frac{9 \left(2 x + 1\right) \sin^{2}{\left(3 x \right)}}{\cos^{2}{\left(3 x \right)}} + \left(\frac{3 \left(2 x + 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} - 2 \log{\left(\cos{\left(3 x \right)} \right)}\right)^{2} - \frac{12 \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} - 9\right) \cos^{2 x + 1}{\left(3 x \right)}$$
Tercera derivada [src]
                /                                               3         2                                                    /                            2               \                                 3               \
   1 + 2*x      |      /                   3*(1 + 2*x)*sin(3*x)\    54*sin (3*x)     /                   3*(1 + 2*x)*sin(3*x)\ |          4*sin(3*x)   3*sin (3*x)*(1 + 2*x)|   54*(1 + 2*x)*sin(3*x)   54*sin (3*x)*(1 + 2*x)|
cos       (3*x)*|-54 - |-2*log(cos(3*x)) + --------------------|  - ------------ + 9*|-2*log(cos(3*x)) + --------------------|*|3 + 6*x + ---------- + ---------------------| - --------------------- - ----------------------|
                |      \                         cos(3*x)      /        2            \                         cos(3*x)      / |           cos(3*x)             2           |          cos(3*x)                  3            |
                \                                                    cos (3*x)                                                 \                             cos (3*x)      /                                 cos (3*x)       /
$$\left(- \frac{54 \left(2 x + 1\right) \sin^{3}{\left(3 x \right)}}{\cos^{3}{\left(3 x \right)}} - \frac{54 \left(2 x + 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} - \left(\frac{3 \left(2 x + 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} - 2 \log{\left(\cos{\left(3 x \right)} \right)}\right)^{3} + 9 \left(\frac{3 \left(2 x + 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} - 2 \log{\left(\cos{\left(3 x \right)} \right)}\right) \left(6 x + \frac{3 \left(2 x + 1\right) \sin^{2}{\left(3 x \right)}}{\cos^{2}{\left(3 x \right)}} + \frac{4 \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} + 3\right) - \frac{54 \sin^{2}{\left(3 x \right)}}{\cos^{2}{\left(3 x \right)}} - 54\right) \cos^{2 x + 1}{\left(3 x \right)}$$
Gráfico
Derivada de y=(cos3x)^(2x+1)