log(a/10)=2logb , then a= ?
Show the step clearly please.
log(a/10)=2logb , then a= ?
2008-04-13 8:03 pm
回答 (2)
2008-04-13 8:28 pm
✔ 最佳答案
log(a/10)=2logblog a - log10 = logb^2
log a = logb^2 + log10
log a = log(10 x b^2)
a = 10b^2
2008-04-13 8:32 pm
log(a/10)=2logb
log(a/10)=log(b^2)
a/10 = b^2
a = 10b^2
log(a/10)=log(b^2)
a/10 = b^2
a = 10b^2
收錄日期: 2021-04-13 18:39:44
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080413000051KK00934