Question

Ce inseamna sa determini AxB? La reperul cartezian

Answer 1

Fie A = {1, 4, 5} şi B= {1, 2, 3}. Atunci A x B = {(1, 1), (1, 2), (1, 3), (4, 1), (4, 2), (4, 3), (5, 1), (5, 2), (5, 3)}