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jenniferjuice

  • 2 years ago

If C = {integers divisible by 6 from 1 to 30} and D = {integers divisible by 3 from 1 to 20}, what is C ∩ D?

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  1. jenniferjuice
    • 2 years ago
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    lists of what?

  2. cwrw238
    • 2 years ago
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    C ∩ D means C intersect D in other words its the set of elements which are members of both C and D.

  3. cwrw238
    • 2 years ago
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    the easiest way to do this is to list all the elements in C and D

  4. cwrw238
    • 2 years ago
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    C = {6, 12, 18, 24, 30} now list D and compare with C

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