Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.4 Set Operations and Venn Diagrams with Three Sets - Exercise Set 2.4 - Page 91: 18

Answer

C'∩(AUB') = {a,g,h}

Work Step by Step

U={a,b,c,d,e,f,g,h} A={a,g,h} B={b,g,h} C={b,c,d,e,f} To find C'∩(AUB'), we need to find B' and C'. B' represents all the elements of U which are not in B So, B'={a,c,d,e,f} C' represents all the elements of U which are not in C So, C'={a,g,h} Now, AUB'={a,g,h} U {a,c,d,e,f} ={a,c,d,e,f,g,h} (List of all elements in A and the elements of B' which are not in A) Now, C'∩(AUB')={a,g,h} ∩ {a,c,d,e,f,g,h} = {a,g,h} (Common elements of C' and (AUB'))
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