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odubo

  • 3 years ago

Select the statements that are true based on the following given information. D = {x | x is a whole number} E = {x | x is a perfect square < 36} F = {x | x is an even number between 20 and 30} 1.The expression DE = E. 2.E(D∩F) is {25}. 3.FD 4.(E∩F) is the empty set. 5.Set E is infinite.

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  1. sudhanshu_kmr
    • 3 years ago
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    please use symbol for 1,3 .

  2. odubo
    • 3 years ago
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    1.The expression D\[\cup\]E = E.

  3. odubo
    • 3 years ago
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    3.F\[\subset\]D

  4. sudhanshu_kmr
    • 3 years ago
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    ans. 3

  5. odubo
    • 3 years ago
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    any other ones

  6. gianfranco
    • 3 years ago
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    1.The expression DE = E. true 2.E(D∩F) is {25}. also true 4.(E∩F) is the empty set. True

  7. sudhanshu_kmr
    • 3 years ago
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    4 is also true

  8. sudhanshu_kmr
    • 3 years ago
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    what is other symbol in 2.

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