simplify
(1/x2+2x2)+(1/x2-4)
maTh heLp
2008-08-22 9:20 pm
回答 (1)
2008-08-24 5:19 am
✔ 最佳答案
不知有沒有錯誤理解你的題目:(1/x^2+2x^2)+(1/x^2-4)
= 1/x^2+2x^2+1/x^2-4
= 2/x^2+2x^2-4
=2/x^2 (1+x^4-2x^2)
= 2 (x^2-1)^2 / x^2
收錄日期: 2021-04-23 20:08:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080822000051KK00290