Question

If A= { 1, 2, 3, 4 } and B={ 4, 5, 6} then find A U B.​

Answer 1

Answer:

I do not know please any body help him

Answer 2

A U B={ 1,2,3,4,5,6}

4 is already there...so u must not add two times

U stands for union that is u must count and add all the elements in a and b

hope it helps