____________
/ 2
\/ - x + a*x
/
|
| ___________
| / 3 2
| / a - 3*x
| 2* / --------- dx
| \/ a - x
|
/
____________
/ 2
-\/ - x + a*x
Integral(2*sqrt((a^3 - 3*x^2)/(a - x)), (x, -sqrt(-x^2 + a*x), sqrt(-x^2 + a*x)))
Use the examples entering the upper and lower limits of integration.