A) \[2{{x}^{2}}-5{{y}^{2}}+11xy+40\]
B) \[4{{x}^{2}}-3{{y}^{2}}-xy+40\]
C) \[2{{x}^{2}}-3{{y}^{2}}-xy+20\]
D) \[4{{x}^{2}}-3{{y}^{2}}-11xy-40\]
Correct Answer: B
Solution :
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