1.

What are the factors of\[{{x}^{4}}+{{y}^{4}}+{{x}^{2}}{{y}^{2}}\]?

A.  \[({{x}^{2}}+{{y}^{2}})\] and \[({{x}^{2}}+{{y}^{2}}-xy)\]
B.  \[({{x}^{2}}+{{y}^{2}})\]and \[({{x}^{2}}-{{y}^{2}})\]
C.  \[({{x}^{2}}+{{y}^{2}}+xy)\] and \[({{x}^{2}}+{{y}^{2}}-xy)\]
D.  Factorization is not possible.
Answer» D.  Factorization is not possible.


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