Chapter 2 - Set Theory - 2.3 Venn Diagrams and Set Operations - Exercise Set 2.3 - Page 81: 39

A ∩ U = { 1,3,5,7}

A ∩ U U = {1,2,3,4,5,6,7} A = { 1,3,5,7} The set A ∩ U represents the elements which are common to both the sets A and U. The elements which are common to both the sets are 1,3,5,7. The elements of A ∩ U are 1,3,5,7. A ∩ U = {1,3,5,7}