Mister Exam

Derivative of y=x^5-8x

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

The graph:

from to

Piecewise:

The solution

You have entered [src]
 5      
x  - 8*x
x58xx^{5} - 8 x
x^5 - 8*x
Detail solution
  1. Differentiate x58xx^{5} - 8 x term by term:

    1. Apply the power rule: x5x^{5} goes to 5x45 x^{4}

    2. The derivative of a constant times a function is the constant times the derivative of the function.

      1. Apply the power rule: xx goes to 11

      So, the result is: 8-8

    The result is: 5x485 x^{4} - 8


The answer is:

5x485 x^{4} - 8

The graph
02468-8-6-4-2-1010-200000200000
The first derivative [src]
        4
-8 + 5*x 
5x485 x^{4} - 8
The second derivative [src]
    3
20*x 
20x320 x^{3}
The third derivative [src]
    2
60*x 
60x260 x^{2}
The graph
Derivative of y=x^5-8x