Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 2 - Set Theory - 2.3 Venn Diagrams and Set Operations - Exercise Set 2.3: 38

Answer

B ∪ U = {1,2,3,4,5,6,7}

Work Step by Step

B ∪ U U = {1,2,3,4,5,6,7} B = {1,2,3} The set B ∪ U represents all the elements of set B and elements of set U that are not present in 'B' . The elements of U that are not in B are 4,5,6,7. The elements of B ∪ U are 1,2,3,4,5,6,7. Therefore set B ∪ U = {1,2,3,4,5,6,7}
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