(1)m=0时,不合题意;
(2)m不等于0,函数是二次函数,其值恒负的充要条件是二次项系数小于0,判别式也小于0.请自己列出不等式计算.
要使函数y=mx2+(m-1)x+(m-1)的植恒为负数,求m的范围
要使函数y=mx2+(m-1)x+(m-1)的植恒为负数,求m的范围
数学人气:647 ℃时间:2019-11-15 07:32:39
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