Question

IfA = 3.6. 9. 12. 15. 18. 21), B = 4. 8. 12. 16, 20), then check whether AUB BUA
and A-B=B-A.
​

Answer 1

Answer:

AUB=(3,4,6,8,........21)=BUA

A-B=12=B-A

Answer 2

STEP BY STEP EXPLANATION ..

HOPE IT'S HELP YOU