- Tell whether the following sets are open: (Justify your answe (a) (3,5) U {6} (b) (-∞, 0) U (0, 1) (c) {1, 2, 3, 4, 5, 6, 7, 8, 9) (d) (-∞,0) U [0, 1) kilo
- Tell whether the following sets are open: (Justify your answe (a) (3,5) U {6} (b) (-∞, 0) U (0, 1) (c) {1, 2, 3, 4, 5, 6, 7, 8, 9) (d) (-∞,0) U [0, 1) kilo
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
![. Tell whether the following sets are open: (Justify your answer.)
(a) (3,5) U {6}
(b) (-∞, 0) U (0, 1)
(c) {1, 2, 3, 4, 5, 6, 7, 8, 9) (d) (-∞, 0) U[0, 1)
(e) Z
(f) (-∞,0) U (0, 1]
(h) R - {1, 2, 3}
(j) { //: neN} U {0}
(1) Qn (0,1)
(g) (-∞,0) U [0, 1]
(i) { //:ne N}
(k) Q](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f1c9c8e-f712-451c-9242-32aa2e69f2bd%2Feaca5103-7d8d-4991-a2b8-f75747efcc74%2Fn85m66_processed.jpeg&w=3840&q=75)
Transcribed Image Text:. Tell whether the following sets are open: (Justify your answer.)
(a) (3,5) U {6}
(b) (-∞, 0) U (0, 1)
(c) {1, 2, 3, 4, 5, 6, 7, 8, 9) (d) (-∞, 0) U[0, 1)
(e) Z
(f) (-∞,0) U (0, 1]
(h) R - {1, 2, 3}
(j) { //: neN} U {0}
(1) Qn (0,1)
(g) (-∞,0) U [0, 1]
(i) { //:ne N}
(k) Q
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