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问题: 计算题:(a+1)·(a^2+1)·(a^4+1)·……·(a^64+1)

(a+1)·(a^2+1)·(a^4+1)·……·(a^64+1)

解答:

(a+1)·(a^2+1)·(a^4+1)·……·(a^64+1)
=(a-1)*(a+1)·(a^2+1)·(a^4+1)·……·(a^64+1)/(a-1)
=(a^2-1)·(a^2+1)·(a^4+1)·……·(a^64+1)/(a-1)
=(a^128-1)/(a-1)