MCQOPTIONS
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MCQOPTIONS
| 1. |
If \(\left(\dfrac{5}{7}\right)^4 \times \left(\dfrac{5}{7}\right)^{-3} = \left(\dfrac{5}{7}\right)^{5x-2}\), then x is - |
| A. | \(\dfrac{1}{5}\) |
| B. | \(\dfrac{2}{5}\) |
| C. | \(\dfrac{3}{5}\) |
| D. | \(\dfrac{4}{5}\) |
| Answer» D. \(\dfrac{4}{5}\) | |