19. Let I = (R \ Q)n(0, 1] and Q = Qn[0,1], with their usual metrics. Prove that there is a continuous map from I onto Q, but that there does not exist a continuous map from [ 0, 1] onto Q. [Hint: Given a sequence of rationals 0 = ro < n<..
19. Let I = (R \ Q)n(0, 1] and Q = Qn[0,1], with their usual metrics. Prove that there is a continuous map from I onto Q, but that there does not exist a continuous map from [ 0, 1] onto Q. [Hint: Given a sequence of rationals 0 = ro < n<..
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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