cjjyre23 cjjyre23
  • 11-06-2018
  • Mathematics
contestada

Given that B={1,2,3,4}, how many subjects have exactly two elements

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acidxfairy
acidxfairy acidxfairy
  • 11-06-2018
6. The subsets will be (1,2), (1,3), (1,4), (2,3), (2,4) and (3,4). 

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