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Mathematics, 05.05.2020 07:12 junior2461

Determine the set of interior points, accumulation points, isolated points, and boundary points for each of the following sets: (a) {1, 1/2, 1/3, 1/4, 1/5, . . . } (b) {0} ∪ {1, 1/2, 1/3, 1/4, 1/5, . . . } (c) (0, 1) ∪ (1, 2) ∪ (2, 3) ∪ (3, 4) ∪ · · · ∪ (n, n + 1) ∪ . . . (d) (1/2, 1) ∪ (1/4, 1/2) ∪ (1/8, 1/4) ∪ (1/16, 1/8) ∪ . . . (e) {x : |x − π| < 1} (f) {x : x 2 < 2} (g) R \ IN (h) R \ Q

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