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Question
Describe the following sets in set-builder form:
{2, 4, 6, 8 .....}
Solution
Set-builder form:
To describe a set, a variable x (each element of the set) is written inside braces. Then, after putting a colon, the common property P(x) possessed by each element of the set is written within braces.
\[ {x: x = 2n, n \in N}\]
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