Exercise 2. 1) If (X, d) is a metric space show that B(x,r) is always an open set for x = X and r≥ 0.
Exercise 2. 1) If (X, d) is a metric space show that B(x,r) is always an open set for x = X and r≥ 0.
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Vector Spaces
Section4.2: Vector Spaces
Problem 38E: Determine whether the set R2 with the operations (x1,y1)+(x2,y2)=(x1x2,y1y2) and c(x1,y1)=(cx1,cy1)...
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