MCQOPTIONS
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MCQOPTIONS
| 1. |
What must be added to the following expression to make it a perfect square?\[\frac{3{{x}^{2}}}{64}-5\frac{\sqrt{21x}}{12}+\frac{157}{9}\] |
| A. | \[\frac{21}{9}\] |
| B. | 1 |
| C. | 2 |
| D. | \[\frac{33}{9}\] |
| E. | None of these |
| Answer» D. \[\frac{33}{9}\] | |