急!急! Logerithmic Functions
2012-03-29 4:44 pm
回答 (2)
2012-03-29 5:57 pm
✔ 最佳答案
Log4(x) +2 = Log 4 (x) + 2 log 4(4)
= log 4 (x) + log4(4)^2
= log 4(x) + log 4(16)
log 2(x+5) - 3
= log 2(x+5) - 3 log 2(2)
= log 2(x+5) - log 2(2)^3
= log 2(x+5) - log 2(8)
SuperMan
IPPBX Expert - www.zonetel.com
2012-03-29 10:38 pm
2 = 2log4/log 4
= log 16 / log 4
= log (4)16
= log 16 / log 4
= log (4)16
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https://hk.answers.yahoo.com/question/index?qid=20120329000051KK00098