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) \[22{{x}^{2}}+12{{y}^{2}}+8xy\]
Correct Answer: D
Solution :
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