Complete cubic parametrization of the Fermat cubic surface w 3 x 3 y 3 z 3 = 0 This is a famous Diophantine problem, to which Dickson's History of the Theory of Numbers, Vol II devotes many pages It is usually phrased as w 3 x 3 y 3 =z 3 or w 3 x 3 =y 3 z 3, with the implication that the variables are to be positive, as in the integer solutions 3 3 4 3 5 3 =6 3 (an amusingShywoned shywoned Mathematics Middle School answered What is the value of x 3y z if x = 3, y = 3, and z = 4 2Aug 10, 12 · The answer is yes, the rational points on your surface lie dense in the real topology Let's consider the projective surface S over Q given by X 3 Y 3 Z 3 − 3 X Y Z − W 3 = 0 It contains your surface as an open subset, so to answer your question we might as well show that S ( Q) is dense in S ( R) Observe that S has a singular Verify That X3 Y3 Z3 3xyz 1 2 X Y Z X Y 2 Y Z 2 Z X 2 Brainly In (x y)^3 (y z)^3 (z x)^3-3(x y)(y z)(z x)=2(x^3 y^3 z^3-3xyz)