Mister Exam

Integral of (ln²(x))/x dx

Limits of integration:

from to
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
  5           
  /           
 |            
 |     2      
 |  log (x)   
 |  ------- dx
 |     x      
 |            
/             
2             
$$\int\limits_{2}^{5} \frac{\log{\left(x \right)}^{2}}{x}\, dx$$
Integral(log(x)^2/x, (x, 2, 5))
Detail solution
  1. There are multiple ways to do this integral.

    Method #1

    1. Let .

      Then let and substitute :

      1. The integral of is when :

      Now substitute back in:

    Method #2

    1. Let .

      Then let and substitute :

      1. The integral of a constant times a function is the constant times the integral of the function:

        1. Let .

          Then let and substitute :

          1. The integral of a constant times a function is the constant times the integral of the function:

            1. The integral of is when :

            So, the result is:

          Now substitute back in:

        So, the result is:

      Now substitute back in:

  2. Add the constant of integration:


The answer is:

The answer (Indefinite) [src]
  /                        
 |                         
 |    2                3   
 | log (x)          log (x)
 | ------- dx = C + -------
 |    x                3   
 |                         
/                          
$$\int \frac{\log{\left(x \right)}^{2}}{x}\, dx = C + \frac{\log{\left(x \right)}^{3}}{3}$$
The graph
The answer [src]
     3         3   
  log (2)   log (5)
- ------- + -------
     3         3   
$$- \frac{\log{\left(2 \right)}^{3}}{3} + \frac{\log{\left(5 \right)}^{3}}{3}$$
=
=
     3         3   
  log (2)   log (5)
- ------- + -------
     3         3   
$$- \frac{\log{\left(2 \right)}^{3}}{3} + \frac{\log{\left(5 \right)}^{3}}{3}$$
-log(2)^3/3 + log(5)^3/3
Numerical answer [src]
1.27862897076557
1.27862897076557

    Use the examples entering the upper and lower limits of integration.