已知函数f(x)=e x -ln(x+1) (I)求函数f(x)的单调区间; (II)证明: e+ e 1 2 + e 1 3 +…+ e 1 n ≥ln(n+1)(n∈ N * ,e为常数) .
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】Perhaps like most Americans you have some extra pounds to 1 . You may even have tried a fad diet or two, but found yourself right back where you started. The key to weight loss is regular 2 activity. ...
【简答题】Fill in the blanks with the following given words. A. excitable B. impolite C. generosity D. surprisingly E. reserved F. criticism G. reluctance H. hospitality I. reliable J. modesty A ____ person is ...
【简答题】For some retailers, online shopping has been successful. Perhaps surprisingly, some traditional retailers have also done well. The Internet can offer a bigger market to small, specialist shops, for ex...
【简答题】Harry , the first camel to arrive in Australia in 1840 , was an unlucky beast.He was imported from the Canary Islands by explorer John Horrocks.On an expedition( 探险 ) , Horrocks picked up his gun in o...
【简答题】Many job satisfaction studies, perhaps surprisingly, have found that often (a compensation package) ______________is not the most motivating factor for many employees.