MCQOPTIONS
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MCQOPTIONS
| 1. |
If \({\left( {\frac{5}{7}} \right)^{4{\rm{x}}}}{\left( {\frac{7}{5}} \right)^{3{\rm{x}} - 1}}{\rm{}} = {\rm{}}{\left( {\frac{7}{5}} \right)^8}\), then find the value of x which satisfies the equation. |
| A. | -1 |
| B. | -9 |
| C. | 1 |
| D. | 9 |
| Answer» C. 1 | |