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  • 12-09-2022
  • Mathematics
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Q is in the interior of

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BrainlySmart43
BrainlySmart43 BrainlySmart43
  • 12-09-2022

Answer:

...

Step-by-step explanation:

For every x ∈ R and each δ > 0 the interval (x−δ, x δ) carries both rational and irrational numbers. This implies that x can't be an interior factor of Q, and that x is a boundary point of Q. Therefore the indoors of Q is empty and the boundary of Q is R. Thus Q = b(Q) ∪ Q = R ∪ Q = R.

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