证明log(xy)=log(x)+log(y)
log₂log₃log₄ X=log₃log₄logS
已知log(2)[log(3)(log(4) x)] = log(3) [log(4) (log(2) y)]=0,求x
log
函数y=log
若集合{x,xy,lg(xy)}={0,|x|,y},则log
y=log 7 x+1
函数y=log x 的反函数
设log(a)(x+y)=根号三,log(a)x=1,求log(a)y
(n^x)^log(b)n=n^(x·log(b)n)证明
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x,y,z均大于1,w不等于0,log x w=24,log y w=40,log xyz w=12,求log z