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If A ={1, 2, 3, 4}, B ={3, 4, 5, 6}, C ={5, 6, 7, 8} and D = {7, 8, 9, 10} ; find(i) A ∪ B(ii) A ∪ C(iii) B ∪ C(iv) B ∪ D(v) A ∪ B ∪ C(vi) A ∪ B ∪ D(vii) B ∪ C ∪ D . |
Answer» (i) A ∪ B = {1, 2, 3, 4, 5, 6} (ii) A ∪ C = {1, 2, 3, 4, 5, 6, 7, 8} (iii) B ∪ C = {3, 4, 5, 6, 7, 8} (iv) B ∪ D = {3, 4, 5, 6, 7, 8, 9, 10} (v) A ∪ B ∪ C = {1, 2, 3, 4, 5, 6, 7, 8} (vi) A ∪ B ∪ D = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} (vii) B ∪ C ∪ O = {3, 4, 5, 6, 7, 8, 9, 10} |
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