Which of the following is not a cover of set of real numbers with the usual metric? A. G={R} B. G={(-00,1).(-1,00)} C. G={B(n,0.5): nEN D. G={B(n,4): neN}
Which of the following is not a cover of set of real numbers with the usual metric? A. G={R} B. G={(-00,1).(-1,00)} C. G={B(n,0.5): nEN D. G={B(n,4): neN}
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:QUESTION 14
Which of the following is not a cover of set of real
numbers with the usual metric?
A. G={R}
B. G={(-00,1),(-1,00)}
C. G={B(n,0.5): nEN
D. G={B(n,4): neN}
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