simplify the following expressions
1) 2^(y-1)+2^(y+2)/9
2) 6^(2x)/4^(x)X3^2 <X係乘
3) (2a^3-2x/5a^4x-1)^-2
4) make b the subject of the formula c=ab/a+b
factorize the following expressions
5) a^2(b+1)^2-16
6) (b-1)^2-10(b-1)+25
7) (2a+b)(2a-b)-4a+1
8) a^3+b^3-a^2b-ab^2
form 4 maths
2009-08-22 12:31 am
回答 (1)
2009-08-27 4:31 am
✔ 最佳答案
As follows~ ~~~~~~~~~~~~~~~~~~~~~~~圖片參考：http://i248.photobucket.com/albums/gg191/ncy_0916/maths279.jpg?t=1251289854
收錄日期: 2021-04-13 16:47:58
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090821000051KK01340