Solve the Equation in the Real Number System $2 x ^ { 3 } - x ^ { 2 } + 2 x - 1 = 0$

question 54

Multiple Choice

Solve the equation in the real number system.
- $2 x ^ { 3 } - x ^ { 2 } + 2 x - 1 = 0$

• A) \(\left\{ - 2 , - \frac { 1 } { 2 } , - 1 \right\}\)
• B) \(\left\{ \frac { 1 } { 2 } \right\}\)
• C) \(\left\{ - 2 , \frac { 1 } { 2 } , - 1 \right\}\)
• D) \(\left\{ \frac { 1 } { 2 } , - 1 \right\}\)

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Definitions:

Heuristics

Mental shortcuts or rules of thumb that simplify decision making, often helpful but sometimes leading to cognitive biases.

Problem Solving

A mental process involving the discovery, analysis, and resolution of problems to overcome obstacles.

Verbal Skills

The ability to communicate effectively through spoken or written language.

Math Skills

The ability to understand, use, and manipulate numbers and mathematical concepts.