Question

Answer to my 4 questions pls​

Answer 1

1)

A n B = {7}

2)

answer = A ={ 6,9,11 }

3)

answer = B = { 2,3,5,7 }

4)

A U B ={ 4,5,6,7,8 }

B U A ={ 4,5,6,7,8 }

PROVED THAT

A U B = B U A

hope you understand..

feel free to ask any doubts..