化简 √x²+(1/x²)-2{0<x<1}

问题描述:

化简 √x²+(1/x²)-2{0<x<1}

√x²+(1/x²)-2
= √(x-1/x)²
=x-1/x

√x²+(1/x²)-2
= √(x-1/x)²
=1/x-x