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1. |
If $${\left( {\frac{3}{5}} \right)^3}{\left( {\frac{3}{5}} \right)^{ - 6}} = {\left( {\frac{3}{5}} \right)^{2x - 1}}$$then x is equal to ? |
A. | 2 |
B. | 1 |
Answer» C. | |