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Rewrite these sets in listing method

a) A=(letters of the word "COLLECTION")

PLEASE DO IT IN LISTING METHOD

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Answer: {C, O, L, E, T, I, N}

Step-by-step explanation:

We simply list each letter one time. Any duplicates are tossed. If you sorted the letters alphabetically, then you'd get {C, E, I, L, N, O, T}. However, the order doesn't matter with sets.

Note: This listing method is another name for "roster method". Think of how sports teams list their roster, which is basically just a list of the players' names.

User Nadeem Khedr
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