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主要内容

判断是绝对还是条件收敛

问题

sum, start subscript, n, equals, 2, end subscript, start superscript, infinity, end superscript, left parenthesis, minus, 1, right parenthesis, start superscript, n, end superscript, start fraction, square root of, n, end square root, plus, 1, divided by, 2, n, minus, 3, end fraction
该级数是条件收敛级数,绝对收敛级数,还是发散级数?
选出正确答案:
不会做了?
不会做了?