Mister Exam

Other calculators


x^2/(x-4)

Derivative of x^2/(x-4)

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

The graph:

from to

Piecewise:

The solution

You have entered [src]
   2 
  x  
-----
x - 4
$$\frac{x^{2}}{x - 4}$$
x^2/(x - 4)
Detail solution
  1. Apply the quotient rule, which is:

    and .

    To find :

    1. Apply the power rule: goes to

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