Mister Exam

Other calculators

Integral of 2(xlnx-x)+2 dx

Limits of integration:

from to
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
  1                          
  /                          
 |                           
 |  (2*(x*log(x) - x) + 2) dx
 |                           
/                            
0                            
$$\int\limits_{0}^{1} \left(2 \left(x \log{\left(x \right)} - x\right) + 2\right)\, dx$$
Integral(2*(x*log(x) - x) + 2, (x, 0, 1))
Detail solution
  1. Integrate term-by-term:

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

      1. Integrate term-by-term:

        1. There are multiple ways to do this integral.

          Method #1

          1. Let .

            Then let and substitute :

            1. Use integration by parts:

              Let and let .

              Then .

              To find :

              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 the exponential function is itself.

                  So, the result is:

                Now substitute back in:

              Now evaluate the sub-integral.

            2. 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 the exponential function is itself.

                  So, the result is:

                Now substitute back in:

              So, the result is:

            Now substitute back in:

          Method #2

          1. Use integration by parts:

            Let and let .

            Then .

            To find :

            1. The integral of is when :

            Now evaluate the sub-integral.

          2. 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:

        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:

        The result is:

      So, the result is:

    1. The integral of a constant is the constant times the variable of integration:

    The result is:

  2. Now simplify:

  3. Add the constant of integration:


The answer is:

The answer (Indefinite) [src]
  /                                         2            
 |                                       3*x     2       
 | (2*(x*log(x) - x) + 2) dx = C + 2*x - ---- + x *log(x)
 |                                        2              
/                                                        
$$\int \left(2 \left(x \log{\left(x \right)} - x\right) + 2\right)\, dx = C + x^{2} \log{\left(x \right)} - \frac{3 x^{2}}{2} + 2 x$$
The graph
The answer [src]
1/2
$$\frac{1}{2}$$
=
=
1/2
$$\frac{1}{2}$$
1/2
Numerical answer [src]
0.5
0.5

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