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1. |
If \(\frac{{6x}}{{\left( {2{x^2}{\rm{\;}} + {\rm{\;}}5x - 2{\rm{\;}}} \right)}}{\rm{}} = {\rm{}}1,{\rm{\;}}x > 0\), then the value of \({x^3}{\rm{}} + {\rm{}}\frac{1}{{{x^3}}}\) is : |
A. | 5√17/16 |
B. | 5√17/8 |
C. | 3√17/4 |
D. | 3√17/8 |
Answer» C. 3√17/4 | |