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If U is a nonempty open is the Set of rationals then intersection. a. always b. sometimes. C. never set of and real Q numbers has a and Q nonempty

If U is a nonempty open is the Set of rationals then intersection. a. always b. sometimes. C. never set of and real Q numbers has a and Q nonempty

Advanced Engineering Mathematics
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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If U is a nonempty open is then Set of rationals the intersection. a. always b. sometimes. c. never set U of and real numbers Q has a and Q nonempty
Transcribed Image Text:If U is a nonempty open is then Set of rationals the intersection. a. always b. sometimes. c. never set U of and real numbers Q has a and Q nonempty
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