Determine Whether the Set Is fiNite or Infinite $$\left\{ x \mid x \in \mathbf { N } \text { and } 9 x ^ { 2 } - 1 = 0 \right\}$$

question 19

Short Answer

determine whether the set is finite or infinite. If the set is finite, find its size.
- $$\left\{ x \mid x \in \mathbf { N } \text { and } 9 x ^ { 2 } - 1 = 0 \right\}$$

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Definitions:

Aggressive Instincts

The innate or inherent impulses that drive individuals to act or react in hostile and confrontational ways.

Personal Weakness

Individual traits or characteristics perceived as areas of improvement or vulnerability, often impacting personal development or performance.

Harry Stack Sullivan

An American psychiatrist known for his theory of interpersonal relations and his influence on the development of psychoanalytic theories of personality.