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)_(3)=10 (x)_(1)+(x)_(2)+b(x)_(3)=5 .-|||-(1)讨论a,b为何值时,方程组有唯一解,无-|||-解,有无穷多解;-|||-(2)在方程组有无穷多解时用方程组对应的-|||-齐次线性方程组的基础解系表示其通解

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)

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)

求指导本题解题过程，谢谢您！(2)二次型 ((x)_(1),(x)_(2),(x)_(3))=2({x)_(2)}^2+2(x)_(1)(x)_(3) 的规范形

对于线性方程组 ) 2(x)_(1)+3(x)_(2)=-1 (x)_(1)-2(x)_(2)=3 .对于线性方程组，下列错误的选项是。系数行列式为该方程组

给定线性方程组 ) (x)_(1)+(x)_(2)+(x)_(3)=a-3 (x)_(1)+a(x)_(2)+(x)_(3)=-2 (x)_(1)+(x)_(

非齐次线性方程组 ) 4(x)_(1)+2(x)_(2)-(x)_(3)=2 3(x)_(1)-(x)_(2)+2(x)_(3)=10 11(x)_(1)+3

解线性方程组_(1)-2(x)_(2)+(x)_(3)=-2-|||-__ __-|||-(x)_(1)+(x)_(2)-3(x)_(3)=1-|||--(x)

5.线性方程组 ) (x)_(1)-(x)_(2)=(a)_(1) 2(x)_(2)-(x)_(3)=(a)_(2) (x)_(1)+(x)_(2)-(x)

求线性方程组_(1)+(x)_(2)+(x)_(3)+(x)_(4)=0-|||-_(2)+2(x)_(3)+2(x)_(4)=1-|||-_(1)+2(x)_

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