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18-07-2014
Mathematics

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How many subsets does the set {1, 2, 3} have?

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Аноним Аноним

18-07-2014

[tex]\{1;\ 2;\ 3\}\\\\subsets:\\\{1\};\ \{2\};\ \{3\}\\\{1;2\};\ \{1;3\};\ \{2;3\}\\\{1;2;3\}\\\{\O\}\\\\Answer:8\ subsets[/tex]

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18-07-2014

Subsets can have zero, 1, 2, or 3 members.

Zero members . . 1 subset
1 member . . . . . 3 subsets
2 members . . . . 3 subsets
3 members . . . . 1 subset

Total . . . . . . . . . 8 subsets

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