已知一元二次方程（m-2）²x²+(2m-1)x+1=0
已知一元二次方程（m-2）²x²+(2m-1)x+1=0
有两个不相等的实数根,求m取值范围.O(∩_∩)O谢谢
有两个不相等的实数根,求m取值范围.O(∩_∩)O谢谢
数学人气：173 ℃时间：2019-12-09 12:01:21
优质解答
∵一元二次方程（m-2）²x²+(2m-1)x+1=0有两个不相等的实数根∴△=（2m-1)²-4*1*(m-2)²＞04m²-4m+1-4*(m²-4m+4)＞04m²-4m+1-4m²+16m-16＞0 1...
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