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: 84


n(A∩B) = 1

Work Step by Step

n(A∩B) The set A∩B represents all the common elements of set A and set B. From the given Venn Diagram the regions of A∩B is II. The elements of A∩B are △. Therefore cardinal number of A∩B is 1. n(A∩B) = 1
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