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1. |
If $$x + \frac{1}{x} = 3{\text{,}}$$then the value of $$\left( {{x^5} + \frac{1}{{{x^5}}}} \right)\,{\text{is?}}$$ |
A. | 22 |
B. | 26 |
C. | 23 |
D. | 13 |
Answer» D. 13 | |