问题描述:
若f(x)=x^2-x+b,且f[log2(a)]=b log2[f(a)]=2 (a不等于1)
1.求f[log2(x)]的最小值及对应的x值
2.x取何值时,f[loga(x)]大于f(1)且log2[f(x)]小于f(1)
1.求f[log2(x)]的最小值及对应的x值
2.x取何值时,f[loga(x)]大于f(1)且log2[f(x)]小于f(1)
问题解答:
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