MCQOPTIONS
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MCQOPTIONS
| 1. |
lf\[A=4{{x}^{2}}+{{y}^{2}}-6xy,\,B=3{{y}^{2}}+12{{x}^{2}}+8xy\] and \[C=6{{x}^{2}}+8{{y}^{2}}+6xy,\]find A + B + C. |
| A. | \[10{{x}^{2}}+9{{y}^{2}}+8xy\] |
| B. | \[20{{x}^{2}}+11{{y}^{2}}+14xy\] |
| C. | \[10{{y}^{2}}-9{{x}^{2}}-8xy\] |
| D. | \[22{{x}^{2}}+12{{y}^{2}}+8xy\] |
| Answer» E. | |