Mister Exam

Other calculators

Derivative of x/((x-1)*(x-4))

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

The graph:

from to

Piecewise:

The solution

You have entered [src]
       x       
---------------
(x - 1)*(x - 4)
$$\frac{x}{\left(x - 4\right) \left(x - 1\right)}$$
x/(((x - 1)*(x - 4)))
Detail solution
  1. Apply the quotient rule, which is:

    and .

    To find :

    1. Apply the power rule: goes to

    To find :

    1. Apply the product rule:

      ; 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:

      The result is:

    Now plug in to the quotient rule:


The answer is:

The graph
The first derivative [src]
       1             x*(5 - 2*x)   
--------------- + -----------------
(x - 1)*(x - 4)          2        2
                  (x - 1) *(x - 4) 
$$\frac{x \left(5 - 2 x\right)}{\left(x - 4\right)^{2} \left(x - 1\right)^{2}} + \frac{1}{\left(x - 4\right) \left(x - 1\right)}$$
The second derivative [src]
             /     -5 + 2*x   -5 + 2*x              /  1        1   \\
10 - 4*x + x*|-2 + -------- + -------- + (-5 + 2*x)*|------ + ------||
             \      -1 + x     -4 + x               \-1 + x   -4 + x//
----------------------------------------------------------------------
                                 2         2                          
                         (-1 + x) *(-4 + x)                           
$$\frac{x \left(\left(2 x - 5\right) \left(\frac{1}{x - 1} + \frac{1}{x - 4}\right) - 2 + \frac{2 x - 5}{x - 1} + \frac{2 x - 5}{x - 4}\right) - 4 x + 10}{\left(x - 4\right)^{2} \left(x - 1\right)^{2}}$$
The third derivative [src]
       /                                                                                                                        /  1        1   \              /  1        1   \                    \                                                               
       |                                                                                                             (-5 + 2*x)*|------ + ------|   (-5 + 2*x)*|------ + ------|                    |                                                               
       |    8        8                   /    1           1               1        \   3*(-5 + 2*x)   3*(-5 + 2*x)              \-1 + x   -4 + x/              \-1 + x   -4 + x/      4*(-5 + 2*x)  |   3*(-5 + 2*x)   3*(-5 + 2*x)                /  1        1   \
-6 - x*|- ------ - ------ + 2*(-5 + 2*x)*|--------- + --------- + -----------------| + ------------ + ------------ + ---------------------------- + ---------------------------- + -----------------| + ------------ + ------------ + 3*(-5 + 2*x)*|------ + ------|
       |  -1 + x   -4 + x                |        2           2   (-1 + x)*(-4 + x)|            2              2                -1 + x                         -4 + x              (-1 + x)*(-4 + x)|      -1 + x         -4 + x                   \-1 + x   -4 + x/
       \                                 \(-1 + x)    (-4 + x)                     /    (-1 + x)       (-4 + x)                                                                                     /                                                               
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                                2         2                                                                                                                         
                                                                                                                        (-1 + x) *(-4 + x)                                                                                                                          
$$\frac{- x \left(2 \left(2 x - 5\right) \left(\frac{1}{\left(x - 1\right)^{2}} + \frac{1}{\left(x - 4\right) \left(x - 1\right)} + \frac{1}{\left(x - 4\right)^{2}}\right) + \frac{\left(2 x - 5\right) \left(\frac{1}{x - 1} + \frac{1}{x - 4}\right)}{x - 1} - \frac{8}{x - 1} + \frac{3 \left(2 x - 5\right)}{\left(x - 1\right)^{2}} + \frac{\left(2 x - 5\right) \left(\frac{1}{x - 1} + \frac{1}{x - 4}\right)}{x - 4} - \frac{8}{x - 4} + \frac{4 \left(2 x - 5\right)}{\left(x - 4\right) \left(x - 1\right)} + \frac{3 \left(2 x - 5\right)}{\left(x - 4\right)^{2}}\right) + 3 \left(2 x - 5\right) \left(\frac{1}{x - 1} + \frac{1}{x - 4}\right) - 6 + \frac{3 \left(2 x - 5\right)}{x - 1} + \frac{3 \left(2 x - 5\right)}{x - 4}}{\left(x - 4\right)^{2} \left(x - 1\right)^{2}}$$