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atan((x+1)/(x+2))

Производная atan((x+1)/(x+2))

Функция f() - производная -го порядка в точке
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Кусочно-заданная:

Решение

Вы ввели [src]
    /x + 1\
atan|-----|
    \x + 2/
$$\operatorname{atan}{\left(\frac{x + 1}{x + 2} \right)}$$
d /    /x + 1\\
--|atan|-----||
dx\    \x + 2//
$$\frac{d}{d x} \operatorname{atan}{\left(\frac{x + 1}{x + 2} \right)}$$
График
Первая производная [src]
  1      x + 1  
----- - --------
x + 2          2
        (x + 2) 
----------------
             2  
      (x + 1)   
  1 + --------  
             2  
      (x + 2)   
$$\frac{- \frac{x + 1}{\left(x + 2\right)^{2}} + \frac{1}{x + 2}}{\frac{\left(x + 1\right)^{2}}{\left(x + 2\right)^{2}} + 1}$$
Вторая производная [src]
  /             /     1 + x\ \             
  |     (1 + x)*|-1 + -----| |             
  |             \     2 + x/ | /     1 + x\
2*|1 - ----------------------|*|-1 + -----|
  |    /           2\        | \     2 + x/
  |    |    (1 + x) |        |             
  |    |1 + --------|*(2 + x)|             
  |    |           2|        |             
  \    \    (2 + x) /        /             
-------------------------------------------
          /           2\                   
          |    (1 + x) |        2          
          |1 + --------|*(2 + x)           
          |           2|                   
          \    (2 + x) /                   
$$\frac{2 \left(\frac{x + 1}{x + 2} - 1\right) \left(- \frac{\left(x + 1\right) \left(\frac{x + 1}{x + 2} - 1\right)}{\left(x + 2\right) \left(\frac{\left(x + 1\right)^{2}}{\left(x + 2\right)^{2}} + 1\right)} + 1\right)}{\left(x + 2\right)^{2} \left(\frac{\left(x + 1\right)^{2}}{\left(x + 2\right)^{2}} + 1\right)}$$
Третья производная [src]
               /                              2                                                    \
               |         4*(1 + x)   3*(1 + x)                           2                         |
               |     1 - --------- + ----------            2 /     1 + x\              /     1 + x\|
               |           2 + x             2    4*(1 + x) *|-1 + -----|    4*(1 + x)*|-1 + -----||
  /     1 + x\ |                      (2 + x)                \     2 + x/              \     2 + x/|
2*|-1 + -----|*|-3 + -------------------------- - ------------------------ + ----------------------|
  \     2 + x/ |                       2                        2            /           2\        |
               |                (1 + x)           /           2\             |    (1 + x) |        |
               |            1 + --------          |    (1 + x) |         2   |1 + --------|*(2 + x)|
               |                       2          |1 + --------| *(2 + x)    |           2|        |
               |                (2 + x)           |           2|             \    (2 + x) /        |
               \                                  \    (2 + x) /                                   /
----------------------------------------------------------------------------------------------------
                                      /           2\                                                
                                      |    (1 + x) |        3                                       
                                      |1 + --------|*(2 + x)                                        
                                      |           2|                                                
                                      \    (2 + x) /                                                
$$\frac{2 \left(\frac{x + 1}{x + 2} - 1\right) \left(- \frac{4 \left(x + 1\right)^{2} \left(\frac{x + 1}{x + 2} - 1\right)^{2}}{\left(x + 2\right)^{2} \left(\frac{\left(x + 1\right)^{2}}{\left(x + 2\right)^{2}} + 1\right)^{2}} + \frac{4 \left(x + 1\right) \left(\frac{x + 1}{x + 2} - 1\right)}{\left(x + 2\right) \left(\frac{\left(x + 1\right)^{2}}{\left(x + 2\right)^{2}} + 1\right)} - 3 + \frac{\frac{3 \left(x + 1\right)^{2}}{\left(x + 2\right)^{2}} - \frac{4 \left(x + 1\right)}{x + 2} + 1}{\frac{\left(x + 1\right)^{2}}{\left(x + 2\right)^{2}} + 1}\right)}{\left(x + 2\right)^{3} \left(\frac{\left(x + 1\right)^{2}}{\left(x + 2\right)^{2}} + 1\right)}$$
График
Производная atan((x+1)/(x+2))