线性代数课后习题参考答?- 百度文库

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ϰ1.1

1дռ.

1Ʒֱ4ƷΪ¼Ʒܼ.

2ڵλ԰ȡһ¼.

3ͬʱӣ¼ֵĵ֮. ⣺1??{4,5,6,7,8?} 2??{(x.y)x?y?1} 3??{3,4,5,6,7,8,9,10,?,18}

2ͬʱӣ

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22xyֱʾһ

ӳֵĵ¼Aʾӳֵ֮ΪBʾ֮Ϊ㡱Cʾ֮20ļϱʾ¼B?ABCB?C.

B?A?{(1.1),(2.2),(3.3),(4.4),(5.5),(6.6)}

3ij3ΣAiʾiаӡi?1,2,3

B?C?{(1.1),(2.2),(3.3),(4.4),(5.5),(6.6),(4.6),(6.4),(5.6),(6.5)}2 / 30

BC?{(1.1),(2.2),(3.3),(4.4)}

¼.

A?A2 11(A?A)A123 2

3A1A2?A1A2 ⣺112ζûа

12һа

3ڶа

4ijһΣAiʾiаӡi=123ʹ÷żʽʾ¼

1һλаӡɱʾΪ 2ǡһλаӡɱʾΪ 3λаӡɱʾΪ 4ȫаӡɱʾΪ 5ξδаӡɱʾΪ 6ֻһλаӡɱʾΪ .

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