1/(√n+√n) > 1/(√n+√(n+1)) = √(n+1) - √n
然后构造n个这样的式子相加
猜想不等式1+1/根号2+1/根号3+...+1/根号n>根号下n+1满足什么条件时成立
猜想不等式1+1/根号2+1/根号3+...+1/根号n>根号下n+1满足什么条件时成立
数学人气:693 ℃时间:2020-05-01 06:03:24
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