what is the value of {(A U A)'}'
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Answered by
1
Answer:
U(union) is correct answer
Answered by
0
Answer:
The value of {(A ∪ A)'}' is A.
Step-by-step explanation:
Union of sets:-
- For any two sets A and B, the union of A and B is the set which consists of all the elements of A and all the elements of B.
- The common elements of the sets A and B is considered only once.
Compliment of a set:-
- Let A is a subset of U (Universal set). Then the compliment of A is defined as the set of those elements of U which are not the elements of A.
- Mathematically, A' = U - A
- A' is the compliment of A
- (A')' = A
Step 1 of 1
Consider the given condition as follows:
{(A ∪ A)'}'
Since A ∪ A = A
⇒ {(A ∪ A)'}' = {(A)'}' . . . . . (1)
Now,
The compliment of the set A is,
A' = U - A
Again,
The compliment of the set A' is,
(A')' = (U - A)'
= U - (U - A)
= A
Substitute the value of (A')' in the (1), we get
{(A ∪ A)'}' = A
Therefore, the value of {(A ∪ A)'}' is A.
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