求指导本题解题过程，谢谢您！12.当λ取何值时,齐次线性方程组-|||- ) (x)_(1)+2(x)_(2)+(x)_(3)=0 4(x)_(1)+5(x)_(2)+lambda (x)_(3)=0 3(x)_(1)+7(x)_(2)+2(x)_(3)=0 .-|||-有非零解?在有非零解的情况下求方程组的通解.

求指导本题解题过程，谢谢您！设有线性方程组 ) a(x)_(1)+2(x)_(2)+3(x)_(3)=8 2a(x)_(1)+2(x)_(2)+3(x)_(

求指导本题解题过程，谢谢您！4.求下列非齐次线性方程组的通解及所对应的齐次方程组的基础解系-|||-__-|||- ) (x)_(1)+(x)_(2)+(x)

问lambda 取何值时，齐次线性方程组}(1-lambda )({x)_(1)}-2({x)_(2)}+4({x)_(3)}=0 2({x)_(1)}+(3

求齐次线性方程组-|||- ) 2(x)_(1)+(x)_(2)-(x)_(3)+(x)_(4)-3(x)_(5)=0 (x)_(1)+(x)_(2)-(x)

当（ ）时，齐次线性方程组 ) (5-lambda )(x)_(1)+2(x)_(2)+2(x)_(3)=0 2(x)_(1)+(6-lambda )

6.λ取何值时,线性方程组-|||- ) (x)_(1)+(x)_(2)+(2-lambda )(x)_(3)=1, (x)_(1)+(2-lambda )(

[题目]线性代数λ取何值时,非齐次线性方程组-|||-(λ +x2+x.3=1 { x1+lambda x2+x =lambda { x1+x2+-|||-l

求齐次线性方程组 ) (x)_(1)+2(x)_(2)+(x)_(3)-(x)_(4)=0 3(x)_(1)+6(x)_(2)-(x)_(3)-3(x)_(4

设线性方程组为 ) (x)_(1)-3(x)_(2)-(x)_(3)=0 (x)_(1)-4(x)_(2)+a(x)_(3)=b 2(x)_(1)-(x)_(

非齐次线性方程组 ) -2(x)_(1)+(x)_(2)+(x)_(3)=-2 (x)_(1)-2(x)_(2)+(x)_(3)=lambda (x)_(1