rusualexrusualex1 rusualexrusualex1 22-02-2024 Mathematics contestada Let ε ∈ C a solution of the equation x^2 + x +1 = 0 and the set R(s) = {a + bε | a, b ∈ R}. Show that R(s) together with the addition and multiplication of complex numbers determines a commutative body structure.