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

question 5

Short Answer

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