Pergunta 2 Seja A {2, 3, 4, 5,6}, assinale a seguir a relaçã...

Pergunta 2 Seja A {2, 3, 4, 5,6}, assinale a seguir a relação R que seja reflexiva:

a) R= {(2,2), (2,3), (3,2), (3,6), (4,6), (5,2), (5,5), (6,2), (6,1)} b) R= {(2,2), (2,3), (3,3), (3,5), (4,4), (4,6), (5,2), (5,5), (6,2), (6,3)} c) R= {(2,2), (2,3),(3,2), (3,6), (4,4), (4,6), (5,2), (5,5), (6,2), (6,6)} d) R= {(2,2), (2,3),(3,3), (3,5), (4,4), (4,6), (5,2), (5,5), (6,2), (6,6)} e) R= {(2,2), (2,3),(3,2), (3,6), (4,3), (4,6), (5,2), (5,5), (6,2), (6,6)}