MCQOPTIONS
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| 1. |
If \[{{\mathbf{x}}^{\mathbf{2}}}+\frac{1}{{{\mathbf{x}}^{\mathbf{2}}}}=\mathbf{7}\], find the value of \[\left( x+\frac{1}{x} \right)\] |
| A. | 6 |
| B. | 9 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |