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प्रश्न
If A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15} and D = {15, 17}; find
A ∩ C ∩ D
उत्तर
Here, A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15} and D = {15, 17}
A ∩ C ∩ D = {3, 5, 7, 9, 11) ∩ {11, 13, 15) ∩ {15, 17)
= Φ
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