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Question
Write the following set in the set-builder form:
{1, 4, 9, ....., 100}
Solution
{1, 4, 9, ....., 100}
It can be seen that 1 = 12, 4 = 22, 9 = 32 …, 100 = 102.
∴ {1, 4, 9, ....., 100} = {x : x = n2, n ∈ N and 1 ≤ n ≤ 10}
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