|logx(x)|
问题描述:
|logx(x)|
数学人气:958 ℃时间:2020-09-20 07:16:45
优质解答
|logx(x)| 当x>1,logx(x)>0
logx(x)当0 logxx-logxxlogxx>-1=logx1/x
xx^2-1-1 0 解集合是:0
logx(x)当0
xx^2-1-1
答
|logx(x)| 当x>1,logx(x)>0
logx(x)当0
xx^2-1-1