anafanZofernit
anafanZofernit anafanZofernit
  • 21-07-2016
  • Mathematics
contestada

prove that AUB=A & intersection of A&B=A then A=B

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meerkat18
meerkat18 meerkat18
  • 22-07-2016
The union of the sets is the set containing all the elements of A and B, listing only the common elements once. The intersection of sets A and B are the elements common to both sets. If the union and intersection are equal to A, then the sets are equal, A = B. 
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