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Determine Whether the Set Is ﬁNite or Inﬁnite $\left\{ x \mid x \in Z \text { and } x ^ { 2 } = 2 \right\}$

Question 59

Short Answer

determine whether the set is ﬁnite or inﬁnite. If the set is ﬁnite, ﬁnd its size.
- $\left\{ x \mid x \in Z \text { and } x ^ { 2 } = 2 \right\}$

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