a4+4 এর উৎপাদক কি কি?

A (a2+2a+2)(a2+2a-2)
B (a2+2a+2)(a2-2a+2)
C (a2-2a+2)(a2+2a-2)
D (a2-2a-2)(a2-2a+2)

Correct Answer: (a2+2a+2)(a2-2a+2)

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