试题与答案

在等比数列{an}中,a1最小,且a1+an=66,a2·an-1=128,前n

题型:解答题

题目:

在等比数列{an}中,a1最小,且a1+an=66,a2·an-1=128,前n项和Sn=126,

(1)求公比q;

(2)求n。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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