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Identify proper and improper ⊆ of A={1,2,3,4,5,6} from the following:B= {1, 2, 3} ________________C= {1, 2, 3, 4, 5, 6} ________________D= {4, 5 ,6} ________________E= {2, 5} ________________ |
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Answer» a PROPER B proper c improper d improper Step-by-step EXPLANATION: |
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