Solución detallada
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No logro encontrar los pasos en la búsqueda de esta derivada.
Perola derivada
Respuesta:
cos(3*x)
--------
3 / /3 ___\ cos(3*x)\
x *|- 3*log\\/ x /*sin(3*x) + --------|
\ 3*x /
$$x^{\frac{\cos{\left(3 x \right)}}{3}} \left(- 3 \log{\left(\sqrt[3]{x} \right)} \sin{\left(3 x \right)} + \frac{\cos{\left(3 x \right)}}{3 x}\right)$$
cos(3*x) / / cos(3*x) \ / cos(3*x) /3 ___\ \\
-------- | |- -------- + 3*log(x)*sin(3*x)|*|- -------- + 9*log\\/ x /*sin(3*x)||
3 | /3 ___\ 2*sin(3*x) cos(3*x) \ x / \ x /|
x *|- 9*cos(3*x)*log\\/ x / - ---------- - -------- + ---------------------------------------------------------------------|
| x 2 9 |
\ 3*x /
$$x^{\frac{\cos{\left(3 x \right)}}{3}} \left(\frac{\left(9 \log{\left(\sqrt[3]{x} \right)} \sin{\left(3 x \right)} - \frac{\cos{\left(3 x \right)}}{x}\right) \left(3 \log{\left(x \right)} \sin{\left(3 x \right)} - \frac{\cos{\left(3 x \right)}}{x}\right)}{9} - 9 \log{\left(\sqrt[3]{x} \right)} \cos{\left(3 x \right)} - \frac{2 \sin{\left(3 x \right)}}{x} - \frac{\cos{\left(3 x \right)}}{3 x^{2}}\right)$$
/ 2 / cos(3*x) /3 ___\ \ /cos(3*x) 6*sin(3*x) \ / cos(3*x) \ /cos(3*x) 6*sin(3*x) /3 ___\\\
cos(3*x) | / cos(3*x) \ / cos(3*x) /3 ___\ \ |- -------- + 9*log\\/ x /*sin(3*x)|*|-------- + ---------- + 9*cos(3*x)*log(x)| 2*|- -------- + 3*log(x)*sin(3*x)|*|-------- + ---------- + 27*cos(3*x)*log\\/ x /||
-------- | |- -------- + 3*log(x)*sin(3*x)| *|- -------- + 9*log\\/ x /*sin(3*x)| \ x / | 2 x | \ x / | 2 x ||
3 | 9*cos(3*x) 3*sin(3*x) /3 ___\ \ x / \ x / \ x / 2*cos(3*x) \ x /|
x *|- ---------- + ---------- + 27*log\\/ x /*sin(3*x) - ---------------------------------------------------------------------- + -------------------------------------------------------------------------------- + ---------- + -----------------------------------------------------------------------------------|
| x 2 27 9 3 9 |
\ x 3*x /
$$x^{\frac{\cos{\left(3 x \right)}}{3}} \left(- \frac{\left(9 \log{\left(\sqrt[3]{x} \right)} \sin{\left(3 x \right)} - \frac{\cos{\left(3 x \right)}}{x}\right) \left(3 \log{\left(x \right)} \sin{\left(3 x \right)} - \frac{\cos{\left(3 x \right)}}{x}\right)^{2}}{27} + \frac{\left(9 \log{\left(\sqrt[3]{x} \right)} \sin{\left(3 x \right)} - \frac{\cos{\left(3 x \right)}}{x}\right) \left(9 \log{\left(x \right)} \cos{\left(3 x \right)} + \frac{6 \sin{\left(3 x \right)}}{x} + \frac{\cos{\left(3 x \right)}}{x^{2}}\right)}{9} + \frac{2 \left(3 \log{\left(x \right)} \sin{\left(3 x \right)} - \frac{\cos{\left(3 x \right)}}{x}\right) \left(27 \log{\left(\sqrt[3]{x} \right)} \cos{\left(3 x \right)} + \frac{6 \sin{\left(3 x \right)}}{x} + \frac{\cos{\left(3 x \right)}}{x^{2}}\right)}{9} + 27 \log{\left(\sqrt[3]{x} \right)} \sin{\left(3 x \right)} - \frac{9 \cos{\left(3 x \right)}}{x} + \frac{3 \sin{\left(3 x \right)}}{x^{2}} + \frac{2 \cos{\left(3 x \right)}}{3 x^{3}}\right)$$