4xy 2y 9

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

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