已知函数f(x)=-(log1/2(x ))^2-mlog2(x)+m,1/2

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已知函数f(x)=-(log1/2(x))^2-mlog2(x)+m,1/2已知函数f(x)=-(log1/2(x))^2-mlog2(x)+m,1/2已知函数f(x)=-(log1/2(x))^2-

已知函数f(x)=-(log1/2(x ))^2-mlog2(x)+m,1/2
已知函数f(x)=-(log1/2(x ))^2-mlog2(x)+m,1/2

已知函数f(x)=-(log1/2(x ))^2-mlog2(x)+m,1/2
设 -1≤log2(x)=t≤-1/2
y=-t^2-mt+m