Mister Exam

Derivative of 9/x

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

The graph:

from to

Piecewise:

The solution

You have entered [src]
9
-
x
9x\frac{9}{x}
9/x
Detail solution
  1. The derivative of a constant times a function is the constant times the derivative of the function.

    1. Apply the power rule: 1x\frac{1}{x} goes to 1x2- \frac{1}{x^{2}}

    So, the result is: 9x2- \frac{9}{x^{2}}


The answer is:

9x2- \frac{9}{x^{2}}

The graph
02468-8-6-4-2-1010-10001000
The first derivative [src]
-9 
---
  2
 x 
9x2- \frac{9}{x^{2}}
The second derivative [src]
18
--
 3
x 
18x3\frac{18}{x^{3}}
The third derivative [src]
-54 
----
  4 
 x  
54x4- \frac{54}{x^{4}}
The graph
Derivative of 9/x