3^(2x-2) = 5^(2x)?
回答 (1)
2016-01-02 3:58 pm
✔ 最佳答案
3^(2x-2) = 5^(2x)(2x-2)log3=(2x)log5
xlog3-log3=xlog5
x(log3-log5)=log3
x=-2.150660103
收錄日期: 2021-04-18 14:14:05
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20151230080241AAC0JdU