6^2x/(4^x*3^2)
列埋步驟俾我呀thx=]
數學index唔識simplify呀...help
2010-07-21 1:18 am
回答 (2)
2010-07-21 2:22 am
✔ 最佳答案
6^2x/(4^x*3^2)6^2x/2^2x*3^2
3^2x/3^2
3^2x-2
3^2(x-1)
9^x-1
2010-07-21 2:04 am
6^2x/(4^x*3^2)
= 6^2x/4^x * 1/9
= (6^2)^x / 4^x * 1/9
= (36/4)^x * 1/9
= 9^x * 1/9
= 9^(x-1)
2010-07-21 14:42:45 補充：
................. 還是我先吧
= 6^2x/4^x * 1/9
= (6^2)^x / 4^x * 1/9
= (36/4)^x * 1/9
= 9^x * 1/9
= 9^(x-1)
2010-07-21 14:42:45 補充：
................. 還是我先吧
參考: Knowledge is power.
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100720000051KK01109