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  • x^ dos *(ocho - dos x^2)^ cero , cinco
  • x al cuadrado multiplicar por (8 menos 2x al cuadrado ) en el grado 0,5
  • x en el grado dos multiplicar por (ocho menos dos x al cuadrado ) en el grado cero , cinco
  • x2*(8-2x2)0,5
  • x2*8-2x20,5
  • x²*(8-2x²)^0,5
  • x en el grado 2*(8-2x en el grado 2) en el grado 0,5
  • x^2(8-2x^2)^0,5
  • x2(8-2x2)0,5
  • x28-2x20,5
  • x^28-2x^2^0,5
  • x^2*(8-2x^2)^0,5dx
  • Expresiones semejantes

  • x^2*(8+2x^2)^0,5

Integral de x^2*(8-2x^2)^0,5 dx

Límites de integración:

interior superior
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
   2                     
   /                     
  |                      
  |         __________   
  |    2   /        2    
  |   x *\/  8 - 2*x   dx
  |                      
 /                       
  ___                    
\/ 2                     
$$\int\limits_{\sqrt{2}}^{2} x^{2} \sqrt{8 - 2 x^{2}}\, dx$$
Integral(x^2*sqrt(8 - 2*x^2), (x, sqrt(2), 2))
Respuesta (Indefinida) [src]
  /                                                                                             
 |                                 //                 ________ /     2\                        \
 |       __________                ||                /      2  |    x |                        |
 |  2   /        2             ___ ||            x*\/  4 - x  *|1 - --|                        |
 | x *\/  8 - 2*x   dx = C + \/ 2 *|<      /x\                 \    2 /                        |
 |                                 ||2*asin|-| - ----------------------  for And(x > -2, x < 2)|
/                                  ||      \2/             2                                   |
                                   \\                                                          /
$$\int x^{2} \sqrt{8 - 2 x^{2}}\, dx = C + \sqrt{2} \left(\begin{cases} - \frac{x \left(1 - \frac{x^{2}}{2}\right) \sqrt{4 - x^{2}}}{2} + 2 \operatorname{asin}{\left(\frac{x}{2} \right)} & \text{for}\: x > -2 \wedge x < 2 \end{cases}\right)$$
Respuesta [src]
   2                                                                                                                                    
   /                                                                                                                                    
  |                                                                                                                                     
  |   /         ___              ___           ___  2          ___  2          ___  6            ___  4           ___  4        2       
  |   |     I*\/ 2         2*I*\/ 2      2*I*\/ 2 *x     9*I*\/ 2 *x       I*\/ 2 *x       3*I*\/ 2 *x      5*I*\/ 2 *x        x        
  |   |- -------------- + ------------ - ------------ - -------------- - -------------- + -------------- + --------------  for -- > 1   
  |   |       _________      _________            3/2        _________              3/2              3/2        _________      4        
  |   |      /       2      /       2    /      2\          /       2      /      2\        /      2\          /       2                
  |   |     /       x     \/  -4 + x     \-4 + x /      2*\/  -4 + x     4*\-4 + x /      2*\-4 + x /      4*\/  -4 + x                 
  |   |    /   -1 + --                                                                                                                  
  |   |  \/         4                                                                                                                   
  |   <                                                                                                                               dx
  |   |          ___             ___          ___  2         ___  4         ___  6           ___  4          ___  2                     
  |   |        \/ 2          2*\/ 2       2*\/ 2 *x      5*\/ 2 *x        \/ 2 *x        3*\/ 2 *x       9*\/ 2 *x                      
  |   |    ------------- - ----------- - ----------- - ------------- - ------------- + ------------- + -------------       otherwise    
  |   |         ________      ________           3/2        ________             3/2             3/2        ________                    
  |   |        /      2      /      2    /     2\          /      2      /     2\        /     2\          /      2                     
  |   |       /      x     \/  4 - x     \4 - x /      4*\/  4 - x     4*\4 - x /      2*\4 - x /      2*\/  4 - x                      
  |   |      /   1 - --                                                                                                                 
  |   \    \/        4                                                                                                                  
  |                                                                                                                                     
 /                                                                                                                                      
  ___                                                                                                                                   
\/ 2                                                                                                                                    
$$\int\limits_{\sqrt{2}}^{2} \begin{cases} - \frac{\sqrt{2} i x^{6}}{4 \left(x^{2} - 4\right)^{\frac{3}{2}}} + \frac{5 \sqrt{2} i x^{4}}{4 \sqrt{x^{2} - 4}} + \frac{3 \sqrt{2} i x^{4}}{2 \left(x^{2} - 4\right)^{\frac{3}{2}}} - \frac{9 \sqrt{2} i x^{2}}{2 \sqrt{x^{2} - 4}} - \frac{2 \sqrt{2} i x^{2}}{\left(x^{2} - 4\right)^{\frac{3}{2}}} + \frac{2 \sqrt{2} i}{\sqrt{x^{2} - 4}} - \frac{\sqrt{2} i}{\sqrt{\frac{x^{2}}{4} - 1}} & \text{for}\: \frac{x^{2}}{4} > 1 \\- \frac{\sqrt{2} x^{6}}{4 \left(4 - x^{2}\right)^{\frac{3}{2}}} - \frac{5 \sqrt{2} x^{4}}{4 \sqrt{4 - x^{2}}} + \frac{3 \sqrt{2} x^{4}}{2 \left(4 - x^{2}\right)^{\frac{3}{2}}} + \frac{9 \sqrt{2} x^{2}}{2 \sqrt{4 - x^{2}}} - \frac{2 \sqrt{2} x^{2}}{\left(4 - x^{2}\right)^{\frac{3}{2}}} - \frac{2 \sqrt{2}}{\sqrt{4 - x^{2}}} + \frac{\sqrt{2}}{\sqrt{1 - \frac{x^{2}}{4}}} & \text{otherwise} \end{cases}\, dx$$
=
=
   2                                                                                                                                    
   /                                                                                                                                    
  |                                                                                                                                     
  |   /         ___              ___           ___  2          ___  2          ___  6            ___  4           ___  4        2       
  |   |     I*\/ 2         2*I*\/ 2      2*I*\/ 2 *x     9*I*\/ 2 *x       I*\/ 2 *x       3*I*\/ 2 *x      5*I*\/ 2 *x        x        
  |   |- -------------- + ------------ - ------------ - -------------- - -------------- + -------------- + --------------  for -- > 1   
  |   |       _________      _________            3/2        _________              3/2              3/2        _________      4        
  |   |      /       2      /       2    /      2\          /       2      /      2\        /      2\          /       2                
  |   |     /       x     \/  -4 + x     \-4 + x /      2*\/  -4 + x     4*\-4 + x /      2*\-4 + x /      4*\/  -4 + x                 
  |   |    /   -1 + --                                                                                                                  
  |   |  \/         4                                                                                                                   
  |   <                                                                                                                               dx
  |   |          ___             ___          ___  2         ___  4         ___  6           ___  4          ___  2                     
  |   |        \/ 2          2*\/ 2       2*\/ 2 *x      5*\/ 2 *x        \/ 2 *x        3*\/ 2 *x       9*\/ 2 *x                      
  |   |    ------------- - ----------- - ----------- - ------------- - ------------- + ------------- + -------------       otherwise    
  |   |         ________      ________           3/2        ________             3/2             3/2        ________                    
  |   |        /      2      /      2    /     2\          /      2      /     2\        /     2\          /      2                     
  |   |       /      x     \/  4 - x     \4 - x /      4*\/  4 - x     4*\4 - x /      2*\4 - x /      2*\/  4 - x                      
  |   |      /   1 - --                                                                                                                 
  |   \    \/        4                                                                                                                  
  |                                                                                                                                     
 /                                                                                                                                      
  ___                                                                                                                                   
\/ 2                                                                                                                                    
$$\int\limits_{\sqrt{2}}^{2} \begin{cases} - \frac{\sqrt{2} i x^{6}}{4 \left(x^{2} - 4\right)^{\frac{3}{2}}} + \frac{5 \sqrt{2} i x^{4}}{4 \sqrt{x^{2} - 4}} + \frac{3 \sqrt{2} i x^{4}}{2 \left(x^{2} - 4\right)^{\frac{3}{2}}} - \frac{9 \sqrt{2} i x^{2}}{2 \sqrt{x^{2} - 4}} - \frac{2 \sqrt{2} i x^{2}}{\left(x^{2} - 4\right)^{\frac{3}{2}}} + \frac{2 \sqrt{2} i}{\sqrt{x^{2} - 4}} - \frac{\sqrt{2} i}{\sqrt{\frac{x^{2}}{4} - 1}} & \text{for}\: \frac{x^{2}}{4} > 1 \\- \frac{\sqrt{2} x^{6}}{4 \left(4 - x^{2}\right)^{\frac{3}{2}}} - \frac{5 \sqrt{2} x^{4}}{4 \sqrt{4 - x^{2}}} + \frac{3 \sqrt{2} x^{4}}{2 \left(4 - x^{2}\right)^{\frac{3}{2}}} + \frac{9 \sqrt{2} x^{2}}{2 \sqrt{4 - x^{2}}} - \frac{2 \sqrt{2} x^{2}}{\left(4 - x^{2}\right)^{\frac{3}{2}}} - \frac{2 \sqrt{2}}{\sqrt{4 - x^{2}}} + \frac{\sqrt{2}}{\sqrt{1 - \frac{x^{2}}{4}}} & \text{otherwise} \end{cases}\, dx$$
Integral(Piecewise((-i*sqrt(2)/sqrt(-1 + x^2/4) + 2*i*sqrt(2)/sqrt(-4 + x^2) - 2*i*sqrt(2)*x^2/(-4 + x^2)^(3/2) - 9*i*sqrt(2)*x^2/(2*sqrt(-4 + x^2)) - i*sqrt(2)*x^6/(4*(-4 + x^2)^(3/2)) + 3*i*sqrt(2)*x^4/(2*(-4 + x^2)^(3/2)) + 5*i*sqrt(2)*x^4/(4*sqrt(-4 + x^2)), x^2/4 > 1), (sqrt(2)/sqrt(1 - x^2/4) - 2*sqrt(2)/sqrt(4 - x^2) - 2*sqrt(2)*x^2/(4 - x^2)^(3/2) - 5*sqrt(2)*x^4/(4*sqrt(4 - x^2)) - sqrt(2)*x^6/(4*(4 - x^2)^(3/2)) + 3*sqrt(2)*x^4/(2*(4 - x^2)^(3/2)) + 9*sqrt(2)*x^2/(2*sqrt(4 - x^2)), True)), (x, sqrt(2), 2))
Respuesta numérica [src]
2.22144146907918
2.22144146907918

    Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.