Input
x×4 y×4×1
Result
16 x y
Geometric figure
hyperbolic paraboloid
Derivative
(d)/(dx)(x×4 y×4) = 16 y
Indefinite integral
integral 16 x y dx = 8 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 16 x y dy dx = 0