f(x)=x^2-2mx+2m-2>0 x属于[0,1] 求m范围
问题描述:
f(x)=x^2-2mx+2m-2>0 x属于[0,1] 求m范围
答
f(x)=x^2-2mx+2m-2=(x-m)^2-(m^2-2m+2)
对称轴x=m
m0,m>1,无解
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