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For a set A, consider the following statements
1. A ∪ P(A) = P(A)
2. {A} ∩ P(A)=A
3. P(A) - {A} = P{A}
where P denotes power set.
Which of the statements given above is/are correct?
  • a)
    I only
  • b)
    II only
  • c)
    III only
  • d)
    I, II and III
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
For a set A, consider the following statements1. A ∪ P(A) = P(A)2....
 Let A = {1,2} and {A} = {(1,2)} implies,P(A) = {{1}, {2},.{1,2}, φ}
Then, A ∪ P(A) ≠ P(A)
and{A} ∩ P(A) = {{ l , 2}} ∩ {{1}, {2}, {1,2},φ}
= {1,2}=A
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Most Upvoted Answer
For a set A, consider the following statements1. A ∪ P(A) = P(A)2....
 Let A = {1,2} and {A} = {(1,2)} implies,P(A) = {{1}, {2},.{1,2}, φ}
Then, A ∪ P(A) ≠ P(A)
and{A} ∩ P(A) = {{ l , 2}} ∩ {{1}, {2}, {1,2},φ}
= {1,2}=A
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Community Answer
For a set A, consider the following statements1. A ∪ P(A) = P(A)2....
Is a collection of elements.
2. The elements in A are distinct.
3. A has a specific order.
4. A can be finite or infinite in size.
5. A can be empty.
6. The elements in A can be of any type.
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For a set A, consider the following statements1. A ∪ P(A) = P(A)2. {A} ∩ P(A)=A3. P(A) - {A} = P{A}where P denotes power set.Which of the statements given above is/are correct?a)I onlyb)II onlyc)III onlyd)I, II and IIICorrect answer is option 'B'. Can you explain this answer?
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