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Solve the Equation x29x1+14=0x ^ { - 2 } - 9 x ^ { - 1 } + 14 = 0

Question 87

Multiple Choice

Solve the equation.
- x29x1+14=0x ^ { - 2 } - 9 x ^ { - 1 } + 14 = 0


A) {12,17}\left\{ - \frac { 1 } { 2 } , - \frac { 1 } { 7 } \right\}
B) {12,17}\left\{ \frac { 1 } { 2 } , - \frac { 1 } { 7 } \right\}
C) {2,7}\{ 2,7 \}
D) {12,17}\left\{ \frac { 1 } { 2 } , \frac { 1 } { 7 } \right\}

Correct Answer:

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