Maths!!F.3(Laws of Indices)!!

2009-09-07 3:48 am
Simplify the expression.

2^3n +1
--------
8^n
更新1:

+1是另外的,不是指數的一部分!!!

回答 (1)

2009-09-07 4:11 am
✔ 最佳答案
2^3n = (2^3)^n = 8^n
so answer = 8^n/8^n + 1 = 1 + 1 = 2.



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