“设f(n)>0,证明数列{(1+f(1))(1+f(2))-----(1+f(n))}与级数∑f(n)同敛性邪恶的白痴:如何证明∑f(n)发散,则数列{(1+f(1))(1+f(2))-----(1+f(n))}也发散。
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/15 00:14:45
![“设f(n)>0,证明数列{(1+f(1))(1+f(2))-----(1+f(n))}与级数∑f(n)同敛性邪恶的白痴:如何证明∑f(n)发散,则数列{(1+f(1))(1+f(2))-----(1+f(n))}也发散。](/uploads/image/z/8813381-5-1.jpg?t=%E2%80%9C%E8%AE%BEf%28n%29%3E0%2C%E8%AF%81%E6%98%8E%E6%95%B0%E5%88%97%7B%281%2Bf%281%29%29%281%2Bf%282%29%29-----%281%2Bf%28n%29%29%7D%E4%B8%8E%E7%BA%A7%E6%95%B0%E2%88%91f%28n%29%E5%90%8C%E6%95%9B%E6%80%A7%E9%82%AA%E6%81%B6%E7%9A%84%E7%99%BD%E7%97%B4%EF%BC%9A%E5%A6%82%E4%BD%95%E8%AF%81%E6%98%8E%E2%88%91f%28n%29%E5%8F%91%E6%95%A3%EF%BC%8C%E5%88%99%E6%95%B0%E5%88%97%7B%281%2Bf%281%29%29%281%2Bf%282%29%29-----%281%2Bf%28n%29%29%7D%E4%B9%9F%E5%8F%91%E6%95%A3%E3%80%82)
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