MATH385https://docs.google.com/forms/d/e/1FAlpQLSeE4OTJ1j1Pn6aakWToM4uRIMFpgm2xrgUpQciwXgzsfYhizA/viewsco...Every open subset of X is clopenLet R (the set of real numbers) be equipped with the Euclidean topology,then A, a finite subset of R, is: *closed but not open in Ropen but not closed in RO neither open nor closed in RO None of the choices

Let R (the set of real numbers) be equipped with the Euclidean topology, then A, a finite subset of R, is: * closed but not open in R O open but not closed in R O neither open nor closed in R None of the choices

Let R (the set of real numbers) be equipped with the Euclidean topology, then A, a finite subset of R, is: * closed but not open in R O open but not closed in R O neither open nor closed in R None of the choices

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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MATH385
https://docs.google.com/forms/d/e/1FAlpQLSeE4OTJ1j1Pn6aakWToM4uRIMFpgm2xrgUpQciwXgzsfYhizA/viewsco...
Every open subset of X is clopen
Let R (the set of real numbers) be equipped with the Euclidean topology,
then A, a finite subset of R, is: *
closed but not open in R
open but not closed in R
O neither open nor closed in R
O None of the choices

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