若根号(x-3)=x-3,化简丨3-x丨-丨x-1丨
问题描述:
若根号(x-3)=x-3,化简丨3-x丨-丨x-1丨
答
x - 3 >=0 丨3-x丨-丨x-1丨 = (x - 3) - (x -1) = -2
若根号(x-3)=x-3,化简丨3-x丨-丨x-1丨
x - 3 >=0 丨3-x丨-丨x-1丨 = (x - 3) - (x -1) = -2