Last updated at Sept. 3, 2021 by Teachoo
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Example 6 If A × B = {(p, q), (p, r), (m, q), (m, r)}, find A and B. Given A × B = {(p, q), (p, r), (m, q), (m, r)} A is the set of all first elements i.e. A = {p, m} and B is the set of all second elements. B = {q, r} Example 6 If A × B = {(p, q), (p, r), (m, q), (m, r)}, find A and B. Given A × B = {(p, q), (p, r), (m, q), (m, r)} A is the set of all first elements i.e. A = {p, m} and B is the set of all second elements. B = {q, r} (Since second element contains only q and r)
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