解不等式x²+2/x-(x-1)²+2/(x-1)>2x-1
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 18:53:20
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解不等式x²+2/x-(x-1)²+2/(x-1)>2x-1
解不等式x²+2/x-(x-1)²+2/(x-1)>2x-1
解不等式x²+2/x-(x-1)²+2/(x-1)>2x-1
x²+2/x-(x-1)²+2/(x-1)>2x-1变为
2/x+2/(x-1)>0,
∴(2x-1)/[x(x-1)]>0,
由序轴标根法知,0
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 18:53:20
解不等式x²+2/x-(x-1)²+2/(x-1)>2x-1
解不等式x²+2/x-(x-1)²+2/(x-1)>2x-1
解不等式x²+2/x-(x-1)²+2/(x-1)>2x-1
x²+2/x-(x-1)²+2/(x-1)>2x-1变为
2/x+2/(x-1)>0,
∴(2x-1)/[x(x-1)]>0,
由序轴标根法知,0