化简 √x²+(1/x²)-2{0<x<1}
问题描述:
化简 √x²+(1/x²)-2{0<x<1}
答
√x²+(1/x²)-2
= √(x-1/x)²
=1/x-x
化简 √x²+(1/x²)-2{0<x<1}
√x²+(1/x²)-2
= √(x-1/x)²
=1/x-x