A) \[-\,3\,{{x}^{2}}{{y}^{2}}+2\,{{y}^{4}}\]
B) \[12\,{{x}^{2}}{{y}^{2}}\]
C) \[2\,{{x}^{2}}{{y}^{2}}+{{y}^{4}}\]
D) \[3\,{{x}^{2}}{{y}^{2}}+2\,{{y}^{4}}\]
E) None of these
Correct Answer: D
Solution :
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