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Let X be the set of reals, and let T = {SCX:0€ X-S} U {X}. Show that T is a topology for X and find the closure of the interval A = (1,2) and of the interval B = (-1,1). the X

Let X be the set of reals, and let T = {SCX:0€ X-S} U {X}. Show that T is a topology for X and find the closure of the interval A = (1,2) and of the interval B = (-1,1). the X

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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2. Let X be the set of reals, and let T = {SCX:0€ X-S} U{X}. Show that T is a topology for X and find the closure of the interval A = (1,2) and of the interval B = (-1,1). C the X:
Transcribed Image Text:2. Let X be the set of reals, and let T = {SCX:0€ X-S} U{X}. Show that T is a topology for X and find the closure of the interval A = (1,2) and of the interval B = (-1,1). C the X:
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