Decide What Values of the Variable Cannot Possibly Be Solutions $$6 x ^ { 2 / 5 } + 23 x ^ { 1 / 5 } + 20 = 0$$

question 379

Multiple Choice

Decide what values of the variable cannot possibly be solutions for the equation.
- $$6 x ^ { 2 / 5 } + 23 x ^ { 1 / 5 } + 20 = 0$$

• A) \(\{ 2,3 \}\)
• B) \(\left\{ \frac { 3125 } { 32 } , \frac { 1024 } { 243 } \right\}\)
• C) \(\left\{ - \frac { 3125 } { 32 } , - \frac { 1024 } { 243 } \right\}\)
• D) \(\left\{ - \frac { 5 } { 2 } , - \frac { 4 } { 3 } \right\}\)

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