Answered: 24. The smallest topology on R…

24. The smallest topology on R containing the collection * {(-00, a) : a e Q} is : the left ray topology the cofinite topology the indiscrete topology the usual topology the discrete topology

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

24. The smallest topology on R containing the collection
{(-00,a) : a e Q} is :
the left ray topology
the cofinite topology
the indiscrete topology
the usual topology
the discrete topology

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