MCQOPTIONS
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| 1. |
The simplified value of \(\left( {1 - \frac{{2xy}}{{{x^2} + {y^2}}}} \right) \div \left( {\frac{{{x^3} - {y^3}}}{{x - y}} - 3xy} \right)\) is |
| A. | \(\frac{1}{{{x^2} - {y^2}}}\) |
| B. | \(\frac{1}{{{x^2} + {y^2}}}\) |
| C. | \(\frac{1}{{x - y}}\) |
| D. | \(\frac{1}{{x + y}}\) |
| Answer» C. \(\frac{1}{{x - y}}\) | |