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Question
Describe the following sets in set-builder form:
{5, 25, 125 625}
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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.
\[ { 5^n : n \in N, 1 \leq n \leq 4}\]
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