O(sh)a>0a1Ploga(a31)Qloga(a21)ԇ^PQĴ
ĿД(sh)W(xu) (li)Դ2011-2012W(xu)ؑcиόW(xu)ڵƔ(sh)W(xu)y(c)ԇ棩 }ͣ}
O(sh)a>0a1 (x1)
()(sh)f(x)ķ(sh)f1(x)䶨x
()aȡֵ
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ĿД(sh)W(xu) (li)Դ2011-2012W(xu)꽭ʡMиĴ¿Ɣ(sh)W(xu) }ͣ}
(sh)y = f
(x)xDͬr(sh)MЗl1D(ni)Ć{(dio)(sh)2ڌ(sh)(sh)mn(dng)x?yn)[mn]r(sh)ֵ?yn)[mn]tQ˺(sh)D(ni)ɵ亯(sh)O(sh)(a>0a1) ,t(dng)f (x)ɵ亯(sh)r(sh)aȡֵ
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ĿД(sh)W(xu) (li)Դ㽭ʡ(j)ЌW(xu)2011-2012W(xu)10¿ԇ}(sh)W(xu) }ͣ}
O(sh)(sh)f(x)ka x- a-x(a>0a1)Ƕx?yn)?i>R溯(sh)
1kֵ
2f(1)>0ԇДຯ(sh){(dio)Բʽf(x22x)f(x4)>0Ľ⼯
3f(1)g(x)a 2xa - 2x2m f(x) [1)ϵСֵ飭2mֵ
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