MCQOPTIONS
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MCQOPTIONS
| 1. |
What should be added to the sum of \[\left( {{x}^{2}}+ {{y}^{2}}+ xy \right) and \left( 4{{x}^{2}}+ 4xy \right) to get\]\[\left( 2{{x}^{2}}+ 3xy \right)\]? |
| A. | \[\left( 3{{x}^{2}}+ {{y}^{2}}+ 2xy \right)\] |
| B. | \[(3{{x}^{2}}-{{y}^{2}}-2xy)\] |
| C. | \[-\left( 3{{x}^{2}}+ {{y}^{2}}+ 2xy \right)\] |
| D. | \[\left( -3{{x}^{2}}+ {{y}^{2}}+ 2xy \right)\] |
| E. | None of these |
| Answer» C. \[-\left( 3{{x}^{2}}+ {{y}^{2}}+ 2xy \right)\] | |