log base x 12=48 x=?
回答 (2)
2015-08-23 10:59 am
✔ 最佳答案
原式 = log(12)/log(x) = 48log(x) = log(12)/48 = log(12)^(1/48)
==> x = 12^(1/48)
2015-08-23 12:43 pm
log 12/log x=48
(log 12)/48=log x
log x=log (12^1/48)
x=12^1/48
x=1.053132323
(log 12)/48=log x
log x=log (12^1/48)
x=12^1/48
x=1.053132323
收錄日期: 2021-04-18 00:05:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150823015046AAnAUbA