Solución detallada
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diferenciamos miembro por miembro:
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No logro encontrar los pasos en la búsqueda de esta derivada.
Perola derivada
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La derivada de una constante es igual a cero.
Como resultado de:
Respuesta:
/ 3\ / 3 \
\x / | 2 5*x *sin(5*x)|
(cos(5*x)) *|3*x *log(cos(5*x)) - -------------|
\ cos(5*x) /
$$\left(- \frac{5 x^{3} \sin{\left(5 x \right)}}{\cos{\left(5 x \right)}} + 3 x^{2} \log{\left(\cos{\left(5 x \right)} \right)}\right) \cos^{x^{3}}{\left(5 x \right)}$$
/ 3\ / 2 2 2 \
\x / | 2 3 / 5*x*sin(5*x)\ 30*x*sin(5*x) 25*x *sin (5*x)|
x*(cos(5*x)) *|- 25*x + 6*log(cos(5*x)) + x *|-3*log(cos(5*x)) + ------------| - ------------- - ---------------|
| \ cos(5*x) / cos(5*x) 2 |
\ cos (5*x) /
$$x \left(x^{3} \left(\frac{5 x \sin{\left(5 x \right)}}{\cos{\left(5 x \right)}} - 3 \log{\left(\cos{\left(5 x \right)} \right)}\right)^{2} - \frac{25 x^{2} \sin^{2}{\left(5 x \right)}}{\cos^{2}{\left(5 x \right)}} - 25 x^{2} - \frac{30 x \sin{\left(5 x \right)}}{\cos{\left(5 x \right)}} + 6 \log{\left(\cos{\left(5 x \right)} \right)}\right) \cos^{x^{3}}{\left(5 x \right)}$$
/ 3\ / 3 3 3 3 2 2 / 2 2 \\
\x / | 2 6 / 5*x*sin(5*x)\ 250*x *sin(5*x) 250*x *sin (5*x) 225*x *sin (5*x) 90*x*sin(5*x) 3 / 5*x*sin(5*x)\ | 2 25*x *sin (5*x) 30*x*sin(5*x)||
(cos(5*x)) *|- 225*x + 6*log(cos(5*x)) - x *|-3*log(cos(5*x)) + ------------| - --------------- - ---------------- - ---------------- - ------------- + 3*x *|-3*log(cos(5*x)) + ------------|*|-6*log(cos(5*x)) + 25*x + --------------- + -------------||
| \ cos(5*x) / cos(5*x) 3 2 cos(5*x) \ cos(5*x) / | 2 cos(5*x) ||
\ cos (5*x) cos (5*x) \ cos (5*x) //
$$\left(- x^{6} \left(\frac{5 x \sin{\left(5 x \right)}}{\cos{\left(5 x \right)}} - 3 \log{\left(\cos{\left(5 x \right)} \right)}\right)^{3} + 3 x^{3} \left(\frac{5 x \sin{\left(5 x \right)}}{\cos{\left(5 x \right)}} - 3 \log{\left(\cos{\left(5 x \right)} \right)}\right) \left(\frac{25 x^{2} \sin^{2}{\left(5 x \right)}}{\cos^{2}{\left(5 x \right)}} + 25 x^{2} + \frac{30 x \sin{\left(5 x \right)}}{\cos{\left(5 x \right)}} - 6 \log{\left(\cos{\left(5 x \right)} \right)}\right) - \frac{250 x^{3} \sin^{3}{\left(5 x \right)}}{\cos^{3}{\left(5 x \right)}} - \frac{250 x^{3} \sin{\left(5 x \right)}}{\cos{\left(5 x \right)}} - \frac{225 x^{2} \sin^{2}{\left(5 x \right)}}{\cos^{2}{\left(5 x \right)}} - 225 x^{2} - \frac{90 x \sin{\left(5 x \right)}}{\cos{\left(5 x \right)}} + 6 \log{\left(\cos{\left(5 x \right)} \right)}\right) \cos^{x^{3}}{\left(5 x \right)}$$