Не могу найти шаги в поиске этой производной.
Но производная
Ответ:
x / 2*x \
atan (2*x)*|-------------------- + log(atan(2*x))|
|/ 2\ |
\\1 + 4*x /*atan(2*x) / / / 2 \\
| | 4*x x ||
| 4*|-1 + -------- + --------------------||
| 2 | 2 / 2\ ||
x |/ 2*x \ \ 1 + 4*x \1 + 4*x /*atan(2*x)/|
atan (2*x)*||-------------------- + log(atan(2*x))| - ----------------------------------------|
||/ 2\ | / 2\ |
\\\1 + 4*x /*atan(2*x) / \1 + 4*x /*atan(2*x) / / / 3 2 \ / 2 \\
| | 3 64*x 4*x 24*x | / 2*x \ | 4*x x ||
| 4*|-16*x - --------- + -------- + --------------------- + --------------------| 12*|-------------------- + log(atan(2*x))|*|-1 + -------- + --------------------||
| 3 | atan(2*x) 2 / 2\ 2 / 2\ | |/ 2\ | | 2 / 2\ ||
x |/ 2*x \ \ 1 + 4*x \1 + 4*x /*atan (2*x) \1 + 4*x /*atan(2*x)/ \\1 + 4*x /*atan(2*x) / \ 1 + 4*x \1 + 4*x /*atan(2*x)/|
atan (2*x)*||-------------------- + log(atan(2*x))| + ------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------|
||/ 2\ | 2 / 2\ |
|\\1 + 4*x /*atan(2*x) / / 2\ \1 + 4*x /*atan(2*x) |
\ \1 + 4*x / *atan(2*x) /