FunctionsGATE Questions
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

1
@18:43
sir, you have given a counter example with an element 7. wat if 7 has a
different image in C than all the elements in B 
1
At 10:00 2nd gate problem
all n subsets X1, X2, … Xn are of size 3.
So total number of elements in Xj in 3n.
So ans = 3n
is it correct? Summing up the no of elements in all Xj gives nothing but the count of repetitions of all the elements of S