NDA Maths Mock Test – 01 – Q3

Question:

For any set A, (A’)’ is equal to

For any set A, (A’)’ is equal to

Options:

  • A
  • A’
  • A”
  • ϕ
  • A
  • A’
  • A”
  • ϕ

Correct Answer: b)

Explanation:

We ha√e to find (A”)’ =?
Now, A=U\A
‘ = (A”) = (UA) =U\A’
‘ = (a) =U\(U\A)

We ha√e to find (A”)’ =?
Now, A=U\A
‘ = (A”) = (UA) =U\A’
‘ = (a) =U\(U\A)

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