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Integral of (3÷(2×sqrt(3x+4))-x) dx

Limits of integration:

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The graph:

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Piecewise:

The solution

You have entered [src]
 pi                       
 --                       
 2                        
  /                       
 |                        
 |  /      3          \   
 |  |------------- - x| dx
 |  |    _________    |   
 |  \2*\/ 3*x + 4     /   
 |                        
/                         
pi                        
--                        
4                         
$$\int\limits_{\frac{\pi}{4}}^{\frac{\pi}{2}} \left(- x + \frac{3}{2 \sqrt{3 x + 4}}\right)\, dx$$
Integral(3/((2*sqrt(3*x + 4))) - x, (x, pi/4, pi/2))
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. 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. 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 a constant is the constant times the variable of integration:

          So, the result is:

        Now substitute back in:

      So, the result is:

    The result is:

  2. Now simplify:

  3. Add the constant of integration:


The answer is:

The answer (Indefinite) [src]
  /                                             
 |                                             2
 | /      3          \            _________   x 
 | |------------- - x| dx = C + \/ 3*x + 4  - --
 | |    _________    |                        2 
 | \2*\/ 3*x + 4     /                          
 |                                              
/                                               
$$\int \left(- x + \frac{3}{2 \sqrt{3 x + 4}}\right)\, dx = C - \frac{x^{2}}{2} + \sqrt{3 x + 4}$$
The graph
The answer [src]
    __________       __________       2
   /     3*pi       /     3*pi    3*pi 
  /  4 + ----  -   /  4 + ----  - -----
\/        2      \/        4        32 
$$- \sqrt{\frac{3 \pi}{4} + 4} - \frac{3 \pi^{2}}{32} + \sqrt{4 + \frac{3 \pi}{2}}$$
=
=
    __________       __________       2
   /     3*pi       /     3*pi    3*pi 
  /  4 + ----  -   /  4 + ----  - -----
\/        2      \/        4        32 
$$- \sqrt{\frac{3 \pi}{4} + 4} - \frac{3 \pi^{2}}{32} + \sqrt{4 + \frac{3 \pi}{2}}$$
sqrt(4 + 3*pi/2) - sqrt(4 + 3*pi/4) - 3*pi^2/32
Numerical answer [src]
-0.494749228405482
-0.494749228405482

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