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

question 229

Multiple Choice

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

• A) \(\left\{ \frac { 1 } { 3 } \right\}\)
• В) \(\left\{ - 3 , - \frac { 1 } { 3 } , - 1 \right\}\)
• C) \(\left\{ \frac { 1 } { 3 } , - 1 \right\}\)
• D) \(\left\{ - 3 , \frac { 1 } { 3 } , - 1 \right\}\)

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