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1. |
If $$x + \left( {\frac{1}{x}} \right) = 2{\text{,}}$$then the value of $${x^7}{\text{ + }}\left( {\frac{1}{{{x^5}}}} \right)$$is? |
A. | 5 |
B. | 12 |
C. | |
Answer» D. | |