If n is an integer,simplify
[2^3*(-2)^2n-1]/[2(-2)^4n]
F3 Maths.?
2016-09-13 9:24 am
回答 (1)
2016-09-13 10:21 am
✔ 最佳答案
Sol[2^3*(－2)^(2n－1)]/[2*(－2)^(4n)]
=[－2^3*2^(2n－1)]/[2*2^(4n)]
=－[2^3*2^(2n－1)]/[2*2^(4n)]
=－2^(3+2n－1)/2^(4n+1)
=－2^(3+2n－1－4n－1)
=－2^(1－2n)
收錄日期: 2021-04-30 21:52:29
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160913012451AAQ1gKC