f4 maths question

2009-10-09 6:22 am
logx/log9=y and x>0 then 27^y=?

回答 (1)

2009-10-09 6:32 am
✔ 最佳答案
As follows:

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2009-10-08 22:32:28 補充:
27^y=x^3/2


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