__________ / 1 x / 1*------ \/ log(x)
/ __________\ d | / 1 | --|x / 1*------ | dx\\/ log(x) /
Не могу найти шаги в поиске этой производной.
Но производная
Теперь упростим:
Ответ:
/ / 1 \\
__________ | log|1*------||
/ 1 | 1 \ log(x)/|
x / 1*------ *|- --------- - -------------|
\/ log(x) | 2 2 |
\ x *log(x) x /
/ 2\
| / 1 / 1 \\ |
________ | |------ + log|------|| |
/ 1 | 1 / 1 \ 3 \log(x) \log(x)// |
x / ------ *|------- + 2*log|------| + ------ + -----------------------|
\/ log(x) | 2 \log(x)/ log(x) x |
\log (x) /
-------------------------------------------------------------------------
3
x
/ 3 / 1 / 1 \\ / 1 / 1 \ 3 \\
| / 1 / 1 \\ 3*|------ + log|------||*|------- + 2*log|------| + ------||
________ | |------ + log|------|| \log(x) \log(x)// | 2 \log(x)/ log(x)||
/ 1 | 2 6 / 1 \ 11 \log(x) \log(x)// \log (x) /|
-x / ------ *|------- + ------- + 6*log|------| + ------ + ----------------------- + -----------------------------------------------------------|
\/ log(x) | 3 2 \log(x)/ log(x) 2 x |
\log (x) log (x) x /
---------------------------------------------------------------------------------------------------------------------------------------------------
4
x