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(x^2+1)/(x^3-1)

Derivative of (x^2+1)/(x^3-1)

Function f() - derivative -N order at the point
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
 2    
x  + 1
------
 3    
x  - 1
$$\frac{x^{2} + 1}{x^{3} - 1}$$
(x^2 + 1)/(x^3 - 1)
Detail solution
  1. Apply the quotient rule, which is:

    and .

    To find :

    1. Differentiate term by term:

      1. The derivative of the constant is zero.

      2. Apply the power rule: goes to

      The result is:

    To find :

    1. Differentiate term by term:

      1. The derivative of the constant is zero.

      2. Apply the power rule: goes to

      The result is:

    Now plug in to the quotient rule:

  2. Now simplify:


The answer is:

The graph
The first derivative [src]
            2 / 2    \
 2*x     3*x *\x  + 1/
------ - -------------
 3                 2  
x  - 1     / 3    \   
           \x  - 1/   
$$- \frac{3 x^{2} \left(x^{2} + 1\right)}{\left(x^{3} - 1\right)^{2}} + \frac{2 x}{x^{3} - 1}$$
The second derivative [src]
  /                           /          3 \\
  |                  /     2\ |       3*x  ||
  |              3*x*\1 + x /*|-1 + -------||
  |         3                 |           3||
  |      6*x                  \     -1 + x /|
2*|1 - ------- + ---------------------------|
  |          3                   3          |
  \    -1 + x              -1 + x           /
---------------------------------------------
                         3                   
                   -1 + x                    
$$\frac{2 \left(- \frac{6 x^{3}}{x^{3} - 1} + \frac{3 x \left(x^{2} + 1\right) \left(\frac{3 x^{3}}{x^{3} - 1} - 1\right)}{x^{3} - 1} + 1\right)}{x^{3} - 1}$$
The third derivative [src]
  /                  /         3          6   \        /          3 \\
  |     2   /     2\ |     18*x       27*x    |      2 |       3*x  ||
6*|- 3*x  - \1 + x /*|1 - ------- + ----------| + 6*x *|-1 + -------||
  |                  |          3            2|        |           3||
  |                  |    -1 + x    /      3\ |        \     -1 + x /|
  \                  \              \-1 + x / /                      /
----------------------------------------------------------------------
                                       2                              
                              /      3\                               
                              \-1 + x /                               
$$\frac{6 \left(6 x^{2} \left(\frac{3 x^{3}}{x^{3} - 1} - 1\right) - 3 x^{2} - \left(x^{2} + 1\right) \left(\frac{27 x^{6}}{\left(x^{3} - 1\right)^{2}} - \frac{18 x^{3}}{x^{3} - 1} + 1\right)\right)}{\left(x^{3} - 1\right)^{2}}$$
The graph
Derivative of (x^2+1)/(x^3-1)