a=log(3)2
log(3)8-2log(3)6=3log(3)2-2[log(3)2+log(3)3]=3a-2(a+1)=a-2
己知3^a=2,则log以3为底8的对数-2log以3为底6的对数,用a表示为
己知3^a=2,则log以3为底8的对数-2log以3为底6的对数,用a表示为
数学人气:164 ℃时间:2019-09-22 09:55:53
优质解答
我来回答
类似推荐
猜你喜欢
- 1You can move people emotionally when talking to them.
- 2一道数学题.一定要100%对的来解答!非常非常的急!先给20!要100%对
- 3Nothing can stop this,not now I love you.
- 4已知平行四边形ABCD的周长为25CM,对边的距离分别为DE=2CM和DF=3CM,求这个平行四边形的面积
- 5也的英语单词怎么拼?
- 6一个数乘10,得到的数比原来的数多72.原来的数是多少?
- 7For _________ reasons,I will not be able to attend the meeting.(cebtain)
- 8I stop my work take my rest but why still feel tired always..
- 9一个数和24相乘,积是1200,如果这个数缩小到原数的十分之一,积变成?
- 10氨气在标准状况下的密度?