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Question
State if the following set is a finite set or an infinite set:
{x : x = 3n – 2,n ∈ Z, n ≤ 8}
Solution
{x : x = 3n – 2,n ∈ Z, n ≤ 8}
= {22, 19, 16, 13, 10, 7, 4, 1, -2, -5, ....}
It is infinite set.
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