Factorise:\[{{a}^{4}}+4\] – McqOptions

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1.	Factorise:\[{{a}^{4}}+4\]
A.	\[({{a}^{2}}+2a-2)({{a}^{2}}+2a+2)\]
B.	\[({{a}^{2}}-2a-2)({{a}^{2}}+2a-2)\]
C.	\[({{a}^{2}}+2a-2)({{a}^{2}}-2a+2)\]
D.	\[({{a}^{2}}+2a+2)({{a}^{2}}-2a+2)\]
Answer» E.

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