对数函数题 log a - log b = 3 log (c/2) 求 a = ______________
对数函数题 log a - log b = 3 log (c/2) 求 a = ______________
求对数函数公式的推导log(a)(M^n)=nlog(a)(M) 和log(a)(N)=log(b)(N) / log(
log a b*log b c=log b b*log a c成立吗
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
2log(b)x=log(a)x+log(c)x
若a=log以3为底π的对数,b=log以7为底6的对数,c=log以2为底0.8的对数.则a,b,c的大小关系是
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)
a=log(3)π b=log(7)6 c=log(2)0.8 哪一个大,
log(2)(a)=log(3)(b)=log(5)(c)
log以根号3为底2的对数=a,求log以12为底3的对数?
利用换底公式证明:log(a)b.log(b)c.log(c)a=1