Solve the Equation by Making an Appropriate Substitution $2 x ^ { 1 / 2 } - 5 x ^ { 1 / 4 } - 12 = 0$

question 85

Multiple Choice

Solve the equation by making an appropriate substitution.
- $2 x ^ { 1 / 2 } - 5 x ^ { 1 / 4 } - 12 = 0$

• A) \(\{ 256 \}\)
• B) \(\left\{ 256 , \frac { 81 } { 16 } \right\}\)
• C) \(\{ - 4 , - 3 \}\)
• D) \(\left\{ 4 , - \frac { 3 } { 2 } \right\}\)

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