Solve the Problem $8 x ^ { 3 } - 42 x ^ { 2 } + 43 x - 12 = 0$

question 191

Multiple Choice

Solve the problem.
-Solve the equation $8 x ^ { 3 } - 42 x ^ { 2 } + 43 x - 12 = 0$ given that $\frac { 1 } { 2 }$ is a root.

• A) \(\left\{ \frac { 1 } { 2 } , \frac { 3 } { 4 } , 4 \right\}\)
• B) \(\left\{ \frac { 1 } { 2 } , - \frac { 3 } { 4 } , - 4 \right\}\)
• C) \(\left\{ \frac { 1 } { 2 } , 1,3 \right\}\)
• D) \(\left\{ \frac { 1 } { 2 } , - 1 , - 3 \right\}\)

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