B. If D = {x/x is a counting number between 20 and 30}, E = {counting numbers between 20 to 40 which are divisible by 3}. U = D U E.
Find:
1. D – E =
2. E – D =
3. E U D =
4. E ∩ D =
5. D’ =
Find:
1. D – E =
2. E – D =
3. E U D =
4. E ∩ D =
5. D’ =
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