Solve the Equation by Making an Appropriate Substitution $\left( y - \frac { 12 } { y } \right) ^ { 2 } - 3 \left( y - \frac { 12 } { y } \right) - 4 = 0$

question 301

Multiple Choice

Solve the equation by making an appropriate substitution.
- $\left( y - \frac { 12 } { y } \right) ^ { 2 } - 3 \left( y - \frac { 12 } { y } \right) - 4 = 0$

• A) \(\{ - 4 , - 2,3,6 \}\)
• B) \(\{ - 1,4 \}\)
• C) \(\{ - 4,3 \}\)
• D) no solution

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