求齐次线性方程组的基础解系和通解X1+X2-X3+2X4+X5=0X3+3X4-X5=02X3+X4-2X5=0
求齐次线性方程组的基础解系和通解
X1+X2-X3+2X4+X5=0
X3+3X4-X5=0
2X3+X4-2X5=0