A) \[A\cup P(A)=P(A)(b)\]
B) \[A\cap P(A)=A\]
C) \[A-P(A)=A\]
D) \[P(A)-\{A\}=P(A)\] Here P denotes the power set of a set A.
Correct Answer: A
Solution :
[a]\[A\cup P(A)=P(A)\] is correct. Since, A is a subset of its power set.
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