4xy 2y 9
| Input |
|---|
| (4 x y) (2 y)×9 |
| Result |
| 72 x y^2 |
| Polynomial discriminant |
| Delta = 0 |
| Derivative |
| (d)/(dx)((4 x y) (2 y)×9) = 72 y^2 |
| Indefinite integral |
| integral 72 x y^2 dx = 36 x^2 y^2 + constant |
| Definite integral over a disk of radius R |
| integral integral_(x^2 + y^2 |
| Definite integral over a square of edge length 2 L |
| integral_(-L)^L integral_(-L)^L 72 x y^2 dy dx = 0 |