Solve
- $x ^ { - 2 } - x ^ { - 1 } = 6$

question 173

Multiple Choice

Solve.
- $x ^ { - 2 } - x ^ { - 1 } = 6$

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

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