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绝对收敛的级数是【   】

单选题
2021-09-08 14:05
A、∑(-1)^n/n
B、∑(-1)^n㏑(1+1/√n)
C、∑[√2+(-1)^n]/3^n
D、∑(-1)^n/√n+(-1)^n
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正确答案
C

试题解析

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