Question

log之间的乘法怎么互换啊?

Answer 1

1.对数x对数,是实数之间的运算,满足乘法法则.

2.基本性质：

1、a^(log(a)(b))=b

2、log(a)(MN)=log(a)(M)+log(a)(N);

3、log(a)(M÷N)=log(a)(M)-log(a)(N);

4、log(a)(M^n)=nlog(a)(M)

5、log(a^n)M=1/nlog(a)(M)