log(2){x^2}=x,求x的值
[( log(x^2) + log(x^4) )/ log(100 x)] = 4 求X
log(x-1) (x^2-8x+7)=1,求x的值
log(0.1)log(0.2)log(0.5)(1/根号5次2)=x,求x的值
f(x)=|log(a)(x)-1|+|2log(a)(x)|,求使f(x)<2的x范围,
2x = log(3)(8x^2 + 7) 求x的值,
已知x属于[根号2,8],求f(x)=[log(2)(x/2)乘log(2)(x/4)]最大值,最小值与相应的x的值.
lg(7*2^x+8)>=log(√10) 2^x,求函数f(x)=log(1/2)x*log(1/2)x/4的最小值
2 log(3x)= log 4 +log(6-x)怎么求...急
已知log的2次方【log的3次方(log的4次方x)】=log【log的4次方(log的2次方y】=0,求x+y的值
求函数f(x)=-(log(0.5)x)²-log(0.25)x+5在[2,4]范围内的最值,并求出相应的x的
已知log(a)x=2,log(b)x=3,log(c)x=6,求log(abc)x的值(括号里的为底数,外面的是真数)
若b>1,x>0,且(2x)^log(b)2-(3x)^log(b)3=0,求x的值.明天就要考了.