SOLUTION: Given U = {10,11,12,13,14,15,16,17,18,19,20}, A= {11,13,15,19}, & B= {10,12,14,15,16,19}. Find A' union B' Show all work on finding A', then B' then the union

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Question 468967: Given U = {10,11,12,13,14,15,16,17,18,19,20}, A= {11,13,15,19}, & B= {10,12,14,15,16,19}.
Find A' union B' Show all work on finding A', then B' then the union
Answer by Edwin McCravy(20054)   (Show Source): You can put this solution on YOUR website!
given U={10,11,12,13,14,15,16,17,18,19,20}, A={11,13,15,19} & B={10,12,14,15,16,19}
find A' ᑌ B' Show all work on finding A', then B' then the union 
A' is the set of all elements of U that are not elements of A,

so A' = {10,12,14,16,17,18,20}.

B' is the set of all elements of U that are not elements of B,

so B' = {11,13,17,18,20}.

Therefore 

A' ᑌ B' = {10,12,14,16,17,18,20} ᑌ {11,13,17,18,20}

ᑌ means to get the set of all those elements that are in 
the sets on both sides of the symbol ᑌ, whether they are
in common or not. 

A' ᑌ B' = {10,11,12,13,14,16,17,18,20}

 
Edwin
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