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Which of the following are examples of the null set? C = {x : x is prime, 90 < x < 96}. |
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Answer» Prime numbers = Those numbers which are divisible by 1 and number itself. Prime numbers = 2, 3, 5, 7, 11, 13,…, 83, 89, 97, … Prime number greater than 90 = 97 Prime number less than 96 = 89 Prime number less than 96 but greater than 90 = ɸ ∴ The set is empty ∴ It is a null set |
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