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Determine Whether the Set Is fiNite or Infinite {xxZ and x2=2}\left\{ x \mid x \in \mathbf { Z } \text { and } x ^ { 2 } = 2 \right\}

question 5

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determine whether the set is finite or infinite. If the set is finite, find its size.
- {xxZ and x2=2}\left\{ x \mid x \in \mathbf { Z } \text { and } x ^ { 2 } = 2 \right\}


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