log 3 (4+x+4y)^2=0 联立 log 2 (x+1)^2=1+3log 2 y^2 求
已知log(2)[log(3)(log(4) x)] = log(3) [log(4) (log(2) y)]=0,求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
2 log(3x)= log 4 +log(6-x)怎么求...急
y=log(4)(1-2x+x^2) =log(2)[(1-x)^2] /log(2)(4) =2[log(2)|1-x
log(2x)+log(3y)-log(2z) 怎么化简? log3(x^2-2x-6)=2 log(3x+6)=1+l
请画出下列图像:log 1/2 (-x) y=log 1/3 /x/
log(0.5x)(2)-log(0.5x^3)(x^2)=log(0.5x^3)(4)
1/log(2)x+1/log(3)x+1/log(4)x=1,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(1/7)[log(3)(log(2)x)]=0
求函数y=log+2的x次方+1/log(3x-2)的定义域
log以2为底的(log以3为底的(log以4为底的x))=log以3为底的(log以4为底的(log以2为底的y))=