Answer :
Answer:
1. P U R = {1,2,3,4,5...21}
2. P U (R U O)
R U O = {1,2,3,4,5....21}
P U ( R U O)= {1,2,3,4,5....21}
3. (O n V) n E
(On V) = { }
(O n V) n E = { }
Step-by-step explanation:
I hope you have find your answer and i haven't done number 3 because nothing is common between O and V so its answer is 0 hope this make your day my friend
