2aln2a的知识精选

若函数f(x)=2x+lnx,且f′(a)=0,则2aln2a=(  )A.1                ...
问题详情:若函数f(x)=2x+lnx,且f′(a)=0,则2aln2a=()A.1                                                           B.-1C.-ln2                ...
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