mr071999 mr071999
  • 25-04-2017
  • Mathematics
contestada


Find A ∩ B if A = {4, 7, 10, 13, 17} and B = {3, 5, 7, 9}.

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tiara143
tiara143 tiara143
  • 05-05-2017
The answer is: A ∩ B =  7

 Given: A = {4, 7, 10, 13, 17}
             B = {3, 5, 7, 9}
By the symbol, ∩, we mean which terms/objects are common in the the sets given to us.
Since only, 7 is the only number which is present in both set A and set B.
Therefore, A ∩ B =  7
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