问题
选择题
若0<x<1,则
|
答案
∵若0<x<1,可取x=0.01,
代入上式得:
=x
=0.1,x2=0.012=0.0001,0.01
=1 x
=10,1 0.01
∴
>1 x
>x2,x
故选D.
若0<x<1,则
|
∵若0<x<1,可取x=0.01,
代入上式得:
=x
=0.1,x2=0.012=0.0001,0.01
=1 x
=10,1 0.01
∴
>1 x
>x2,x
故选D.