Consider the set S = {1, ω, ω^2}, where ω and w^2 are cube roots of unity. If * denotes the multiplication operation, the structure (S, *) forms
A. A group
B. A ring
C. An integral domain
D. A field
Answer:A
Consider the set S = {1, ω, ω^2}, where ω and w^2 are cube roots of unity. If * denotes the multiplication operation, the structure (S, *) forms
A. A group B. A ring C. An integral domain D. A field