求对数的解答题!求值.log(b)A*log(c)B*log(a)C
对数函数题 log a - log b = 3 log (c/2) 求 a = ______________
a^[log(a)b×log(b)c×log(c)N]
log a b*log b c=log b b*log a c成立吗
设A^2+B^2=C^2 求证 log以(C+B)为底A的对数+log(C-B)A=2log(C+B)*log(C-B)
1≤a≤b≤c,证明log(a)(b)+log(b)(c)+log(c)(a)≤log(b)(a)+log(c)(b)+
log(a)(b)+log(a)(c)可以等于什么
利用换底公式证明:log(a)b.log(b)c.log(c)a=1
log(a)(b)=log(c)(b) /log(c)(a) 怎么证
求证明 a^(log(c)(b))=b(log(c)(a))
若log以a为底的c的对数 + log以b为底的c的对数(c≠1),则ab+c-abc为
对数函数之后换底公式:log(a)b=log(c)b/log(c)a中,c具体指什么,我看到在有些题目中
[log (底数为a) x]=[1\2log (底数为a) b ] - [ log (底数为a)c]求X