Exercise 3.2.3. Decide whether the following sets are open, closed, or neither. If a set is not open, find a point in the set for which there is no e-neighborhood contained in the set. If a set is not closed, find a limit point that is not contained in the set. (a) Q. (b) N. (c) {xRx0}. (d) {1+1/4+1/9+...+1/n²: nЄN}. I also (e) {1+1/2+1/3+...+1/n: nЄN}. nox

Exercise 3.2.3. Decide whether the following sets are open, closed, or neither. If a set is not open, find a point in the set for which there is no e-neighborhood contained in the set. If a set is not closed, find a limit point that is not contained in the set. (a) Q. (b) N. (c) {xRx0}. (d) {1+1/4+1/9+...+1/n²: nЄN}. I also (e) {1+1/2+1/3+...+1/n: nЄN}. nox

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.4: Definition Of Function

Problem 58E

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