51问答网 > 判断下列无穷级数的收敛性，如果收敛是条件收敛还是绝对收敛

判断下列无穷级数的收敛性，如果收敛是条件收敛还是绝对收敛

第二张图做578给一下过程，谢谢
2025-03-15 10:14:17
推荐回答（1个）
回答1：

2.|An|≤1/n^2 级数1/n^2收敛,原级数绝对收敛
3.|A(n+1)/An|=2/(1+1/n)^n趋于2/e

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