2lnx+2m-(2/3)x-1=0 求m范围X^2+mx+m>0 求m范围2aX^2+X(a-2)-1>0 解X(m不为0)

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2lnx+2m-(2/3)x-1=0 求m范围X^2+mx+m>0 求m范围2aX^2+X(a-2)-1>0 解X(m不为0)
2lnx+2m-(2/3)x-1=0 求m范围
X^2+mx+m>0 求m范围
2aX^2+X(a-2)-1>0 解X(m不为0)

2lnx+2m-(2/3)x-1=0 求m范围X^2+mx+m>0 求m范围2aX^2+X(a-2)-1>0 解X(m不为0)
(1)m=-(lnx+x/3+1/2) y=lnx+x/3+1/2是单增函数.范围是R,则m的范围是R
(2)m^2-4m1/a或x