Functions-GATE Questions


  • 2

    At 23:00 , we say that f(EUF) = f(E) U f(F)


    Sir, when you give the example Wives(Indians U Software Engineer) = Wives(Indians) U Wives(Software Engineer) , dont we need to subtract the components where Wives(Indian Software engineer) as this will be repeated

    • raadjosePRO

      Also given that E and F are both subsets of A, there is bound to be common elements between them.

      Or do we ignore the duplicate items because it is a set, and duplicate items are not included in set.

    • getgatebook

      when A = {1,2,3} and B = {1,5,6} A U B = {1,2,3,5,6}. Here union operation automatically eliminates duplicates as that is the way set union is defined.