consider the following system of liner equation:
{ 2ax+(5a-1)y-(3-3a)z=3
(*) { 3ay+(2a-1)z=-6, where a is a real number.,
{ x -(1-2a)y+(a-2)z=9
a) [2a, 5a-1, 3a-3]
Let A= [0, 3a, 2a-1]. Find the values of a such that A^-1 exists.
[1, 2a-1, a-2]
b) Solve (*) when a = 2.
liner equation(18)
2010-04-10 8:02 pm
回答 (1)
2010-04-10 8:19 pm
收錄日期: 2021-04-22 00:46:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100410000051KK00501