A) \[3{{x}^{4}}-{{x}^{2}}y+\,\,20{{x}^{2}}{{y}^{3}}-36{{x}^{3}}{{y}^{2}}\]
B) \[3{{x}^{4}}-2{{x}^{2}}{{y}^{2}}-{{x}^{2}}y-4{{x}^{2}}{{y}^{3}}+10{{x}^{3}}{{y}^{2}}\]
C) \[3{{x}^{4}}+2{{x}^{2}}{{y}^{2}}+{{x}^{2}}y+4{{x}^{2}}{{y}^{3}}-10{{x}^{3}}{{y}^{2}}\]
D) \[3{{x}^{4}}+{{x}^{2}}y+4{{x}^{2}}{{y}^{3}}-10{{x}^{3}}{{y}^{2}}\]
E) None of these
Correct Answer: A
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