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List the numbers of these sets.

  1. { $x$ | $x$ is a real number such that $x^2 =1$ }
  2. { $x$ | $x$ is a positive integer less than 12 }
  3. { $x$ | $x$ is the square of an integer and $x<100$ }
  4. { $x$ | $x$ is an integer such that $x^2 =2$ }
in Set Theory & Algebra by Boss (10.9k points) | 10 views

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