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Which is the set-builder form of {1, 4, 9, 16, 25, ...}?
A{x : x is the square of a natural number}
B{x : x = n + 3, n is a natural number}
C{x : x = n^3, n is a natural number}
D{x : x = 2n, n is a natural number}
Answer & Solution
Correct answer: A. {x : x is the square of a natural number}
Each listed number is the square of 1, 2, 3, 4, 5 and so on.
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