极限 判断题∑(1,∞) (3n+1)/(3n^2+1)=是convergnce 还是divrgence

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极限 判断题∑(1,∞) (3n+1)/(3n^2+1)=是convergnce 还是divrgence
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极限 判断题∑(1,∞) (3n+1)/(3n^2+1)=是convergnce 还是divrgence
极限 判断题
∑(1,∞) (3n+1)/(3n^2+1)=
是convergnce 还是divrgence

极限 判断题∑(1,∞) (3n+1)/(3n^2+1)=是convergnce 还是divrgence
是convergence 还是divergence(你打漏两个e.) 发散(divergence),与∑1/n“几乎一致”.(判断题,不必严格证明.)