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2) if A. {6,{d}}thenpower setА "6 |
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Answer» Answer: All SETS are proper subsets except the set that contains all of the elements. The number of subsets is ALWAYS 2^n where n is the number of elements in the set; in this case 5. There should be 2^5=32 subsets including the empty set and the set itself. All the subsets are: {}, {3}, {6}, {9}, {12}, {3,6}, {3,9}, {3,12}, {6,9}, {6,12}, {9,12}, {3,6,9}, {3,6,12}, {3,9,12}, {6,9,12} and {3,6,9,12}. Note: {} is a null/empty set and it is a SUBSET of any GIVEN set. |
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