6. Let A and B be two connected subsets of X and An B + 4. Show that AUB is connected. In R*(eqquiped with the Euclidean metric), find if the union of A = {(x,y): x² + y s 1} and B = ((x,y): (x - 2)2 + y < 1} is connected or not? Justify. Let (X, d) be a compact metric space and let d, be the metric on X defined by d, (x, y) = min{ 1, d(x, y)}. x, y EX Then prove that (X, d,) is compact.
6. Let A and B be two connected subsets of X and An B + 4. Show that AUB is connected. In R*(eqquiped with the Euclidean metric), find if the union of A = {(x,y): x² + y s 1} and B = ((x,y): (x - 2)2 + y < 1} is connected or not? Justify. Let (X, d) be a compact metric space and let d, be the metric on X defined by d, (x, y) = min{ 1, d(x, y)}. x, y EX Then prove that (X, d,) is compact.
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter1: Line And Angle Relationships
Section1.6: Relationships: Perpendicular Lines
Problem 27E
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