1. Math
  2. Advanced Math
  3. 1 20 points let x d be a metric space...

Question: 1 20 points let x d be a metric space...

Question details

1. (20 points) Let (X, d) be a metric space and A C X. Prove the following (a) X\A = int A (b) r\int A = X \ A. (c) θΑ =\ int A. - (f) aA is a closed set. (g) If A is closed then int(8A)- (h) A is closed if and only if θΑ C A. (i) A is open if and only if AnaA-0
Solution by an expert tutor
Blurred Solution
This question has been solved
Subscribe to see this solution