alleryIf A × B = {(p, q), (p, r), (m, q), (m, r)}, then A and B are:
AA = {p, m, q, r}, B = {p}
BA = {q, r}, B = {p, m}
CA = {p, q}, B = {m, r}
DA = {p, m}, B = {q, r}
Answer & Solution
Correct answer: D. A = {p, m}, B = {q, r}
A is the set of FIRST elements = {p, m}
B is the set of SECOND elements = {q, r}.
Then A × B = {(p,q),(p,r),(m,q),(m,r)} ✓.
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