Подробное решение
Не могу найти шаги в поиске этой производной.
Но производная
Ответ:
/ 2\ / 2 \
\x / | x |
(acot(x)) *|2*x*log(acot(x)) - ----------------|
| / 2\ |
\ \1 + x /*acot(x)/
$$\left(- \frac{x^{2}}{\left(x^{2} + 1\right) \operatorname{acot}{\left (x \right )}} + 2 x \log{\left (\operatorname{acot}{\left (x \right )} \right )}\right) \operatorname{acot}^{x^{2}}{\left (x \right )}$$
/ 2\ / 2 2 3 \
\x / | 2 / x \ x 4*x 2*x |
(acot(x)) *|2*log(acot(x)) + x *|-2*log(acot(x)) + ----------------| - ------------------ - ---------------- + -----------------|
| | / 2\ | 2 / 2\ 2 |
| \ \1 + x /*acot(x)/ / 2\ 2 \1 + x /*acot(x) / 2\ |
\ \1 + x / *acot (x) \1 + x / *acot(x)/
$$\left(\frac{2 x^{3}}{\left(x^{2} + 1\right)^{2} \operatorname{acot}{\left (x \right )}} + x^{2} \left(\frac{x}{\left(x^{2} + 1\right) \operatorname{acot}{\left (x \right )}} - 2 \log{\left (\operatorname{acot}{\left (x \right )} \right )}\right)^{2} - \frac{x^{2}}{\left(x^{2} + 1\right)^{2} \operatorname{acot}^{2}{\left (x \right )}} - \frac{4 x}{\left(x^{2} + 1\right) \operatorname{acot}{\left (x \right )}} + 2 \log{\left (\operatorname{acot}{\left (x \right )} \right )}\right) \operatorname{acot}^{x^{2}}{\left (x \right )}$$
/ / 2 4 2 3 \ \
| | 7*x 4*x x 3*x 3*x | |
| 2*|3 - ------ + --------- + ------------------ - ----------------- + ----------------| |
| | 2 2 2 2 / 2\ | |
/ 2\ | 3 | 1 + x / 2\ / 2\ 2 / 2\ \1 + x /*acot(x)| / 2 3 \|
\x / | 3 / x \ \ \1 + x / \1 + x / *acot (x) \1 + x / *acot(x) / / x \ | x 4*x 2*x ||
-(acot(x)) *|x *|-2*log(acot(x)) + ----------------| + -------------------------------------------------------------------------------------- + 3*x*|-2*log(acot(x)) + ----------------|*|2*log(acot(x)) - ------------------ - ---------------- + -----------------||
| | / 2\ | / 2\ | / 2\ | | 2 / 2\ 2 ||
| \ \1 + x /*acot(x)/ \1 + x /*acot(x) \ \1 + x /*acot(x)/ | / 2\ 2 \1 + x /*acot(x) / 2\ ||
\ \ \1 + x / *acot (x) \1 + x / *acot(x)//
$$- \left(x^{3} \left(\frac{x}{\left(x^{2} + 1\right) \operatorname{acot}{\left (x \right )}} - 2 \log{\left (\operatorname{acot}{\left (x \right )} \right )}\right)^{3} + 3 x \left(\frac{x}{\left(x^{2} + 1\right) \operatorname{acot}{\left (x \right )}} - 2 \log{\left (\operatorname{acot}{\left (x \right )} \right )}\right) \left(\frac{2 x^{3}}{\left(x^{2} + 1\right)^{2} \operatorname{acot}{\left (x \right )}} - \frac{x^{2}}{\left(x^{2} + 1\right)^{2} \operatorname{acot}^{2}{\left (x \right )}} - \frac{4 x}{\left(x^{2} + 1\right) \operatorname{acot}{\left (x \right )}} + 2 \log{\left (\operatorname{acot}{\left (x \right )} \right )}\right) + \frac{1}{\left(x^{2} + 1\right) \operatorname{acot}{\left (x \right )}} \left(\frac{8 x^{4}}{\left(x^{2} + 1\right)^{2}} - \frac{6 x^{3}}{\left(x^{2} + 1\right)^{2} \operatorname{acot}{\left (x \right )}} - \frac{14 x^{2}}{x^{2} + 1} + \frac{2 x^{2}}{\left(x^{2} + 1\right)^{2} \operatorname{acot}^{2}{\left (x \right )}} + \frac{6 x}{\left(x^{2} + 1\right) \operatorname{acot}{\left (x \right )}} + 6\right)\right) \operatorname{acot}^{x^{2}}{\left (x \right )}$$