化简:1/log(3)x 1/log(4)x 1/log(5)x=……(答案是1/log(60)x
化简:1/log(3)x 1/log(4)x 1/log(5)x=……(答案是1/log(60)x
log(X+5)+log(X+2)=1
1/log(2)x+1/log(3)x+1/log(4)x=1,x=?
已知log(1/7)[log(3)(log(2)x)]=0
log底数7[log底数3(log底数2X)]=0,那么x^1/2的值是
对数的运算问题-log a 1/x=-(log a 1-log a x)=log a x
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
已知函数f(x)=log.(1-x)+log.(x+3)(0
(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
2log底3x+log底3 2=1/2log底3 16 x为什么值
log(0.1)log(0.2)log(0.5)(1/根号5次2)=x,求x的值