Input
x (6 y)×6
Result
36 x y
Geometric figure
hyperbolic paraboloid
Derivative
(d)/(dx)(x (6 y)×6) = 36 y
Indefinite integral
integral 36 x y dx = 18 x^2 y + 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 36 x y dy dx = 0