北京邮电大学版_线性代数_课后题答案2(6)

1

1 ξ1= ,1,0,0 ; 2

∴方程组的解为

T

1 ξ2= ,0,1,0 ,

2

T

1 1

0 2 2

1 1x=+k1 +k2 0 .k1,k2∈R 0 0 1 0 0 0

1 2111 1 2111 1 21 1 1 r2 r1 000 2 2 →r r 31 1 2115 00004 (3)