Number 1HELP ME ASAP 1. Do the following task.a.) State formally what do mean by being an open set of E inmetric space (X, d).b.) Show that is not open in (R. d) where d(x, y) = x - y).

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Answered: 1. Do the following task. a. .) State…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter8: Applications Of Trigonometry

Section: Chapter Questions

Problem 17RE

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1. Do the following task. a. .) State formally what do mean by being an open set of E in metric space (X, d). b. ) Show that Q is not open in (R. d) where d(x, y) = x - y.