Set-builder form of $\{1, 4, 9, 16, 25\}$ is

Set-builder form of $\{1, 4, 9, 16, 25\}$ is
  1. $\{x : x = n^{2},\ n \in \mathbb{N},\ n \le 5\}$
  2. $\{x : x = 2n,\ n \in \mathbb{N}\}$
  3. $\{x : x = n,\ n \in \mathbb{N},\ n \le 5\}$
  4. $\{x : x = n^{3},\ n \in \mathbb{N}\}$

Solution

$1, 4, 9, 16, 25$ are squares of $1, 2, 3, 4, 5$.

Asked in: MH-SSC-9

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