用矩阵解方程组15x + 4y + 3z = 22x + 3y + 4z = 52,求a值2x - y + 3z = 4

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/15 20:03:39

用矩阵解方程组
1
5x + 4y + 3z = 2
2x + 3y + 4z = 5
2,求a值
2x - y + 3z = 4
x + y + az = 3
x + ay + z = 3

5x + 4y + 3z = 2 5 4 3 2
2x + 3y + 4z = 5 2 3 4 5
2,求a值
2x - y + 3z = 4 2 -1 3 4
x + y + az = 3 1 1 a 3
x + ay + z = 3 1 a z 3

用矩阵解方程组15x + 4y + 3z = 22x + 3y + 4z = 52,求a值2x - y + 3z = 4 方程组｛4x-3y-3z=0,x-3y+z=0,(x.y.z不等于0),求x/z和y/z的值? x/2=y/3=z/4 x+y+z=18 求方程组解解方程组：{x/2=y/3=z/4 2x+y+z=22 解方程组{6x=4y=3z,2x+y+z=22 解方程组x:y:z=2:3:4;2x+y+z=22 解方程组{3x+y-z=4,2x-y+3z=12,x+y+z=6} 解方程组x-4y+z=-3,2x+y-z=18,x-y-z=7. x+y/2=z+x/3+y=z/4,...x+y+z=27.解方程组. 解方程组：x+y+z=4,x+y+2z=5,3x+y-z=6 已知x,y,z满足方程组：4x-5y+2z=o;x+4y-3x=0,求x:y:z的值方程组:x-2y+4z=0,2x+3y-3z=0...xyz不等于0,求(2x+y-z)\(2x-y+z)