MCQOPTIONS
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| 1. |
If \[{{\mathbf{x}}^{\mathbf{2}}}+\frac{1}{{{\mathbf{x}}^{\mathbf{2}}}}=\mathbf{123}.\]Then the value of \[{{\mathbf{x}}^{3}}-\frac{1}{{{\mathbf{x}}^{3}}}\] is |
| A. | 1340 |
| B. | 1364 |
| C. | 1358 |
| D. | 1360 |
| Answer» C. 1358 | |