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.
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.
log底数为a真数为M,log底数为b真数为M是方程X^2-3X+1=0的两根,试求log底数a/b真数M的值
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)
[log (底数为a) x]=[1\2log (底数为a) b ] - [ log (底数为a)c]求X
2log(b)x=log(a)x+log(c)x
(高一)若x满足2(log(1/2)x)^2-14log(4)x+3≤0,求f(x)=[log(2)(x/2)]*{lo
已知log(1-2a)2x <log(3a-1)x(x>0且x≠1),求a的取值范围.
log底数7[log底数3(log底数2X)]=0,那么x^1/2的值是
已知log(2)[log(3)(log(4) x)] = log(3) [log(4) (log(2) y)]=0,求x
函数y=log(a)^(x+b)+c(a>0且a不等于1)的图像恒过定点(3,2),则实数b,c的值
设f(x)=log(1/2)[a^2x+2(ab)^x-3b^2x+1](a>0,b>0),解不等式f(x)
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