Найдите декартово произведение A × B множеств A и B
1. A = {a, b, c}; B = {b, e}.
а) {(b, a), (e, a), (e, b), (b, b), (b, c), (e, c)}
б) {(a, b), (a, e), (b, e), (b, b), (c, b)}
в) {(a, b), (a, e), (b, e), (b, b), (c, b), (c, e), (b, a), (e, a), (e, b), (b, b), (b, c), (e, c)}
г) {(a, b), (b, e), (a, e), (c, b), (c, e), (b, b)}