Show that both R and R² may be covered by countably many open balls.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Additional Topics In Trigonometry
Section3.3: Vectors In The Plane
Problem 1ECP: Show that u and v in the figure at the right are equivalent.
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Show that both ℝ and ℝ2 may be covered by countably many open balls.

Show that both R and R² may be covered by countably many open balls.
Transcribed Image Text:Show that both R and R² may be covered by countably many open balls.
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