ax^2+2x+3最小值為1
a>0,
x=-1/a時,1/a-2/a+3=1
a=1/2
已知函數(shù)f(x)=log(ax^2+2x+3) 是否存在實數(shù)a,使f(x)的最小值為0
已知函數(shù)f(x)=log(ax^2+2x+3) 是否存在實數(shù)a,使f(x)的最小值為0
數(shù)學(xué)人氣:499 ℃時間:2019-10-27 17:49:09
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