The product of \[1\times \left( x-y \right)\left( x+y \right)\left( {{x}^{2}}+{{y}^{2}} \right)\]is

The product of \[1\times \left( x-y \right)\left( x+y \right)\left( {{

1.	The product of \[1\times \left( x-y \right)\left( x+y \right)\left( {{x}^{2}}+{{y}^{2}} \right)\]is
A.	\[{{x}^{2}}-{{y}^{2}}~\]
B.	\[{{x}^{4}}+{{y}^{4~}}~\]
C.	\[{{x}^{4}}-{{y}^{4}}~\]
D.	\[{{x}^{2}}+{{y}^{2}}~\]
Answer» D. \[{{x}^{2}}+{{y}^{2}}~\]

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The product of \[1\times \left( x-y \right)\left( x+y \right)\left( {{x}^{2}}+{{y}^{2}} \right)\]is

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