log(a)(mn)=log(a)(m)+log(a)(n)为什么呀?
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log(a)(mn)=log(a)(m)+log(a)(n)为什么呀?log(a)(mn)=log(a)(m)+log(a)(n)为什么呀?log(a)(mn)=log(a)(m)+log(a)(n)
log(a)(mn)=log(a)(m)+log(a)(n)为什么呀?
log(a)(mn)=log(a)(m)+log(a)(n)为什么呀?
log(a)(mn)=log(a)(m)+log(a)(n)为什么呀?
因为这是有个公式的。
。。。非要解释也解释不清楚
对数性质
解设loga(M)=p,loga(N)=q
则M=a^p,N=a^q
则MN=a^p×a^q
则MN=a^(p+q)
即logaMN=p+q=loga(M)+loga(N)
即
log(a)(mn)=log(a)(m)+log(a)(n)
log(a)(mn)=log(a)(m)+log(a)(n)为什么呀?
log(a)M+log(a)N=?
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