作业帮1-[(x-1)/2]²≥ 0 怎么算
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/19 14:30:37
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1-[(x-1)/2]²≥ 0 怎么算
1-[(x-1)/2]²≥ 0 怎么算
1-[(x-1)/2]²≥ 0 怎么算
1-[(x-1)/2]²≥ 0
[(x-1)/2]²≤1
(x-1)²/4≤1
(x-1)²≤4
-2≤x-1≤2
-1≤x≤3
答：
1-[(x-1)/2]²>=0
(x-1)² /4<=1
(x-1)²<=4
两边开平方：
-2<=x-1<=2
-1<=x<=3