Express x in terms of y.
log5(3x-4y)=2
(個5字係細細個放係下面)(base)
f.4maths (log)
2010-02-26 5:26 am
回答 (1)
2010-02-26 6:13 am
✔ 最佳答案
log 5 (3x - 4y) = 2.............(5 的 2次方是 3x - 4y)3x - 4y = 5^2
3x - 4y = 25
x = (25 + 4y)/3
收錄日期: 2021-04-21 22:08:50
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100225000051KK01476