已知Sn是正项数列{an}的前n项和,且满足a1=4,6Sn=an2+3an+λ(n∈N*,λ∈R),设bn=(n﹣μ)an,若b2是数列{bn}中唯一的最小项,则实数μ的取值范围是_____ .
更新时间:2020-03-19 23:07:09
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