Consider a Z endowed with the metric if r = y d(r, y): 1979-" if r # y Where n is the largest integer such that 1979" divide a y – x. Is Z closed and bounded? An infinite subset exists with no accumulation points?

Consider a Z endowed with the metric if r = y d(r, y): 1979-" if r # y Where n is the largest integer such that 1979" divide a y – x. Is Z closed and bounded? An infinite subset exists with no accumulation points?

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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Question

In Real Analysis.
Consider a Z endowed with the metric
if r = y
d(r, y) :
1979-n
if r + y
Where n is the largest integer such that 1979" divide a y – x. Is Z closed
and bounded? An infinite subset exists with no accumulation points?

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