计算:根号下(x+2乘根号x-1)

2025-06-26 05:19:13
推荐回答(1个)
回答1:

根号下[x+2*根号(x-1)]
=根号下[(x-1)+2*根号(x-1)+1]
=根号下[(1+根号(x-1))^2]
=1+根号(x-1)