设函数f{x}=log2x-logx4{0<x<1}.数列{An}的通项An满足f{2的an次方}=2n求数列{An}的通项公式.

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设函数f{x}=log2x-logx4{0<x<1}.数列{An}的通项An满足f{2的an次方}=2n求数列{An}的通项公式.设函数f{x}=log2x-logx4{0<x<1}.数列{An}的通

设函数f{x}=log2x-logx4{0<x<1}.数列{An}的通项An满足f{2的an次方}=2n求数列{An}的通项公式.
设函数f{x}=log2x-logx4{0<x<1}.数列{An}的通项An满足f{2的an次方}=2n
求数列{An}的通项公式.

设函数f{x}=log2x-logx4{0<x<1}.数列{An}的通项An满足f{2的an次方}=2n求数列{An}的通项公式.
f{2的an次方}=log2*(2的an次方)-log2的an次方4,{0<x<1}=an-2/an=2n
an^2-2an*n-2=0,an^2-2an*n+n^2=2+n^2,an=(2+n^2)^1/2-n,或是an=-(2+n^2)^1/2-n,因为0