Подробное решение
-
Не могу найти шаги в поиске этой производной.
Но производная
Ответ:
sin(x) / 3*sin(x)\
(3*x + 1) *|cos(x)*log(3*x + 1) + --------|
\ 3*x + 1 /
$$\left(3 x + 1\right)^{\sin{\left(x \right)}} \left(\log{\left(3 x + 1 \right)} \cos{\left(x \right)} + \frac{3 \sin{\left(x \right)}}{3 x + 1}\right)$$
/ 2 \
sin(x) |/ 3*sin(x)\ 9*sin(x) 6*cos(x)|
(1 + 3*x) *||cos(x)*log(1 + 3*x) + --------| - log(1 + 3*x)*sin(x) - ---------- + --------|
|\ 1 + 3*x / 2 1 + 3*x |
\ (1 + 3*x) /
$$\left(3 x + 1\right)^{\sin{\left(x \right)}} \left(\left(\log{\left(3 x + 1 \right)} \cos{\left(x \right)} + \frac{3 \sin{\left(x \right)}}{3 x + 1}\right)^{2} - \log{\left(3 x + 1 \right)} \sin{\left(x \right)} + \frac{6 \cos{\left(x \right)}}{3 x + 1} - \frac{9 \sin{\left(x \right)}}{\left(3 x + 1\right)^{2}}\right)$$
/ 3 \
sin(x) |/ 3*sin(x)\ 27*cos(x) 9*sin(x) / 3*sin(x)\ / 6*cos(x) 9*sin(x) \ 54*sin(x) |
(1 + 3*x) *||cos(x)*log(1 + 3*x) + --------| - cos(x)*log(1 + 3*x) - ---------- - -------- - 3*|cos(x)*log(1 + 3*x) + --------|*|log(1 + 3*x)*sin(x) - -------- + ----------| + ----------|
|\ 1 + 3*x / 2 1 + 3*x \ 1 + 3*x / | 1 + 3*x 2| 3|
\ (1 + 3*x) \ (1 + 3*x) / (1 + 3*x) /
$$\left(3 x + 1\right)^{\sin{\left(x \right)}} \left(\left(\log{\left(3 x + 1 \right)} \cos{\left(x \right)} + \frac{3 \sin{\left(x \right)}}{3 x + 1}\right)^{3} - 3 \left(\log{\left(3 x + 1 \right)} \cos{\left(x \right)} + \frac{3 \sin{\left(x \right)}}{3 x + 1}\right) \left(\log{\left(3 x + 1 \right)} \sin{\left(x \right)} - \frac{6 \cos{\left(x \right)}}{3 x + 1} + \frac{9 \sin{\left(x \right)}}{\left(3 x + 1\right)^{2}}\right) - \log{\left(3 x + 1 \right)} \cos{\left(x \right)} - \frac{9 \sin{\left(x \right)}}{3 x + 1} - \frac{27 \cos{\left(x \right)}}{\left(3 x + 1\right)^{2}} + \frac{54 \sin{\left(x \right)}}{\left(3 x + 1\right)^{3}}\right)$$