問一題數,有20點
2010-12-09 1:59 am
example: s cube - 3 s square - s + 3 = (s-1)(s+1)(s-3)
將以下式轉為bracket form
s cube - 5 s square - 13s + 41 = ( ? )( ?)( ?)
回答 (1)
2010-12-09 5:42 am
✔ 最佳答案
There is no integer solution to the problem. You may need cubic equation formula to solve the problem or to use numerical method to find the roots of the cubic equation.An approximate solution is provided here(s + 3.17226)(s – 2.143987)(s – 6.028274)Please see Wikipedia for the cubic root formula:http://en.wikipedia.org/wiki/Cubic_function
收錄日期: 2021-04-23 23:22:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101208000051KK00775