Consider the matrix
圖片參考：http://imgcld.yimg.com/8/n/HA00425268/o/701101190077713873371510.jpg
(a) Use elementary row operations to evaluate detA.
(b) Now use expansion by the first column to evaluate detA.
Matrix -- Determinant
2011-01-20 1:51 am
回答 (1)
2011-01-20 4:33 am
✔ 最佳答案
As follows:圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_04Jan192032.gif
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110119000051KK00777