Solve the Equation by Making an Appropriate Substitution $5 x ^ { - 2 } - 6 x ^ { - 1 } + 1 = 0$

question 209

Multiple Choice

Solve the equation by making an appropriate substitution.
- $5 x ^ { - 2 } - 6 x ^ { - 1 } + 1 = 0$

• A) \(\{ 1,5 \}\)
• B) \(\left\{ - \frac { 1 } { 5 } , - 1 \right\}\)
• C) \(\{ - 1 , - 5 \}\)
• D) \(\left\{ \frac { 1 } { 5 } , 1 \right\}\)

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