Question

if universal set={2,3,5,7,9} A={3,7} and B={2,5,7,9}find (A UB)'.
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Answer 1

Step-by-step explanation:

I hope you have understand that

Answer 2

Answer:

null set

Step-by-step explanation:

Given : U = {2,3,5,7,9} , A ={3,7} , B = {2,5,7,9} , (A U B)' = ?

(A U B) = {3,7} U {2,5,7,9}

(A U B) = {2,3,5,7,9} [since 7 is common to both the sets]

(A U B)' = {2,3,5,7,9} - {2,3,5,7,9}

(A U B)' = 0 (or) null set