Solved

Solve
- 9x7+xx+7=72x249\frac { 9 } { x - 7 } + \frac { x } { x + 7 } = \frac { 72 } { x ^ { 2 } - 49 }

Question 234

Multiple Choice

Solve.
- 9x7+xx+7=72x249\frac { 9 } { x - 7 } + \frac { x } { x + 7 } = \frac { 72 } { x ^ { 2 } - 49 }


A) 12i2,1+2i2- 1 - 2 \mathrm { i } \sqrt { 2 } , - 1 + 2 \mathrm { i } \sqrt { 2 }
B) 110,1+10- 1 - \sqrt { 10 } , - 1 + \sqrt { 10 }
C) 12i2,1+2i21 - 2 i \sqrt { 2 } , 1 + 2 i \sqrt { 2 }
D) 110,1+101 - \sqrt { 10 } , 1 + \sqrt { 10 }

Correct Answer:

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