1. without expanding the determinants, show that
a.|4---7------5|
|1---1---(-4)|=0
|3---5------2|
b.|1---5------9|
|4---2-----26| is divisible by 28
|9---7----(-7)|
determinant questions
2012-09-22 4:56 pm
回答 (1)
2012-09-22 7:02 pm
✔ 最佳答案
suggested solution:圖片參考：http://imgcld.yimg.com/8/n/HA08446686/o/701209220006913873366100.jpg
收錄日期: 2021-04-16 15:02:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120922000051KK00069