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 - Page 81: 12


D' = {1,3,5,7,9....19}

Work Step by Step

U = {1,2,3,4...20} D = {2,4,6,8,....20} The set D' contains the elements that are not present in the set D. The elements of set D i.e. 2,4,6,8,....20 must not be present in set D. The elements of D' are 1,3,5,7,9....19. Therefore D' = {1,3,5,7,9....19}
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