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1. |
If \[\mathbf{x}+\frac{1}{x}=\mathbf{4}\], find the value of \[{{\mathbf{x}}^{\mathbf{2}}}+\frac{1}{{{\mathbf{x}}^{\mathbf{2}}}}\] |
A. | 16 |
B. | 18 |
C. | 14 |
D. | 12 |
Answer» D. 12 | |