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Question
State whether the following set are finite or infinite.
{x ∈ N : x is an odd prime number}
Sum
Solution
Let B = {x ∈ N : x is an odd prime number}
B = {1, 3, 5, 7, 11, ……………..}
B is an infinite set.
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Constants and Variables, Intervals and Neighbourhoods
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Chapter 1: Sets, Relations and Functions - Exercise 1.1 [Page 7]
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