Найдите значение выражения x 3y xy 3

$Solved Consider the function f (x, y) = {x^3y - xy^3/x^2 + | Chegg.com$

$Solved Let f(x, y) = {x^3y - xy^3/x^2 + y^2 if (x, y) | Chegg.com$

$Solved A picture of the function f(x, y) = {x^3y - xy^3/x^2 | Chegg.com$

$Solved f(x, y) = {x^3y - xy^3/x^2 + y^2 (x, y) notequalto | Chegg.com$