Find the product of \[(a+\sqrt{2})(a-\sqrt{2})\] and \[({{a}^{2}}+2).\

1.	Find the product of \[(a+\sqrt{2})(a-\sqrt{2})\] and \[({{a}^{2}}+2).\]
A.	\[{{a}^{4}}+4\]
B.	\[~{{a}^{4}}+8\]
C.	\[~{{a}^{4}}-4\]
D.	\[{{a}^{4}}-8\]
Answer» D. \[{{a}^{4}}-8\]

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Find the product of \[(a+\sqrt{2})(a-\sqrt{2})\] and \[({{a}^{2}}+2).\]

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