Chapter 2 - Set Theory - 2.3 Venn Diagrams and Set Operations - Exercise Set 2.3 - Page 81: 62

B ∪ U = {a,b,c,d,e,f,g,h}

U = {a,b,c,d,e,f,g,h} B = {b,g,h} 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 a,c,d,e,f. The elements of B ∪ U are a,b,c,d,e,f,g,h. Therefore set B ∪ U = {a,b,c,d,e,f,g,h}