f(x)=¼x²-(m-2)x+m²=0
∧=(m-2)²-m²=-4m+4=0
m=1
因此:方程为¼x²+x+1=0
解为:x=-2
X的方程1/4X的平方-(m-2)X+m的平方,方程有两个相等的实数根,求m的值,并求出此方程的根.急求,谢谢.
X的方程1/4X的平方-(m-2)X+m的平方,方程有两个相等的实数根,求m的值,并求出此方程的根.急求,谢谢.
数学人气:594 ℃时间:2020-01-25 05:42:13
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