- 問題詳情:已知函數f(x)=lnx﹣ex+a.(Ⅰ)若曲線f(x)在點(1,f(1))處的切線與x軸正半軸有公共點,求a的取值範圍;(Ⅱ)求*:a>1﹣時,f(x)<﹣e﹣1.【回答】知識點:導數及其應用題型:解答題...
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