Show that the set {e^n: n ∈Z} is countable. (Hint: Use the function f (n) = e^n and show it is 1-1 and onto).
Show that the set {e^n: n ∈Z} is countable. (Hint: Use the function f (n) = e^n and show it is 1-1 and onto).
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.1: Concept Of A Function
Problem 100PS
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Show that the set {e^n: n ∈Z} is countable. (Hint: Use the function f (n) = e^n and show it
is 1-1 and onto).
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