已知M={2log²1/2^x-11log2^x+9≤0},求x∈M时.f(x)=log2^(x/2)×log
已知M={2log²1/2^x-11log2^x+9≤0},求x∈M时.f(x)=log2^(x/2)×log
已知x满足不等式2[log2(x)]^2-7[log2(x)]+3≤0,求函数f(x)=[log2(x/2)]*[log
已知2^x≤256,且log2 (x)≥1/2,求函数f(x)=log2 (x/2)*log√2 (√x/2)的最大值和
已知x满足不等式log (1/2) x^2≥log(1/2) (3x-2).求函数f(x)=[log2 x/4]×(lo
若-3≤log(1/2) x≤(-1/2),求f(x)=(log2 x/2)*(log2 x/4)的最大值和最小值
已知X满足2的X次方≤256,且log2(x)≥1/2.求函数F(X)=log2(X/2)×log根2(根2除以X)
已知X满足2的X次方≤256,且log2(x)≥1/2.求函数F(X)=log2(X/2)×log根2(根2除以X)的值
数学必修一函数最值题已知X满足2的X次方≤256,且log2(x)≥1/2.求函数F(X)=log2(X/2)×log根
已知-3≤log1/2(x)≤-1,f(x)=[log2(4^m×X)]×[log2(4/X)](m∈R),
x满足不等式log二分之一+X平方≥log二分之一+(3x-2),函数f(x)=(log2+四分之x)(log2+二分之
f(x)=log2(x/2)乘log根号2(根号x/2)怎么化简
f(X)+log2(X/2)*log根号2(根号X/2),X∈[根号2,8],求F(X)最小值