suppose log(3)2=a , log(3)5=b
express log(3)60 in terms of a and b
(3) is base number
maths(F.4)
2006-10-16 2:22 am
回答 (2)
2006-10-16 2:43 am
✔ 最佳答案
log(3)60=log(3)[4x15]
=log(3)4+log(3)15
=log(3)2x2+log(3)[3x5]
=2a+log(3)3+log(3)5
=2a+b+1
Is it right?
參考: by myself
2006-10-16 2:35 am
log(3)60
= log(3) (2x2x5x3)
=2log(3)2 + log(3)5 + log(3)3
= 2a + b + 1
= log(3) (2x2x5x3)
=2log(3)2 + log(3)5 + log(3)3
= 2a + b + 1
收錄日期: 2021-04-23 16:17:49
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https://hk.answers.yahoo.com/question/index?qid=20061015000051KK04630